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Welcome to the Greyhound Knowledge Forum

   

The Greyhound-Data Forum has been created to act as a platform for greyhound enthusiasts to share information on this magnificent animal called a greyhound.

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Do you have questions regarding the health of your greyhound? Do you need tips what you should feed your dog?
Or do you need advice in curing an injury?

Vitamins - Supplement or not?page  1 2 3 4 


Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

14 Feb 2017 05:57


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Jack Ogilvie wrote:

Peter, I will not respond to you any more you twist what people say.I have said it before you are full of BS and your use of flushes will stuff dogs , you can have your opinion but stop insulting greyhound trainers as if their brand new to the game.

Jack
What happened to your statement??



Jack Ogilvie
Australia
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Posts 15483
Dogs 0 / Races 1

14 Feb 2017 06:11


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Go for it .
Let's see if you have balls to take me to court. Your all mouth.



Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

14 Feb 2017 06:51


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Jack Ogilvie wrote:

Go for it .
Let's see if you have balls to take me to court. Your all mouth.

Jack
You are making a fool of yourself
Stick to your claim
Not replying to my posts again and you will make me happy
Persist and you will see my dark side


Ronald George Hunter
Australia
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Posts 4319
Dogs 0 / Races 0

14 Feb 2017 08:21


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Bloody hell Jack, he apparently knows everything, and everyone,
coming from the dark side, he must know Darth Vader!



Richard Gray
Australia
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Posts 2231
Dogs 11 / Races 9

14 Feb 2017 08:38


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Sorry to say Peter, but I feel you have already shown your "dark side".... Greyhound trainers, rearers and breeders, (in my experience) are all happy to have and take on board any information on any new product regarding the feeding of our athletes. Your insistence on stating "Interpretation Leads to Misrepresentation" over and over AND OVER is just rhetoric.... and frankly, makes you look like a dill!

May I state, Tell all us trainers / reares / breeders what to feed our dogs.... back it up with performance statics and results on the track (other than a 16 dog experiment) and people will flock to the products you sell.... My last winner ate his own sh*t a couple of hours before his last win and paid $17:80,,,, before that he also munched down his own sh*t for a meal pre race and won paying $33:20... Does that mean I should be bagging and selling my dogs shi# as a supplement.... ?
Peter, I have purchased stuff of you previously, but you are doing yourself no favour's at the moment on GD.
JMO.
Rich.



Mark Keane
United Kingdom
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Posts 122
Dogs 0 / Races 0

14 Feb 2017 12:07


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ronald george hunter wrote:

Bloody hell Jack, he apparently knows everything, and everyone,
coming from the dark side, he must know Darth Vader!

may the force be with you



Kevin Wright
Australia
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Posts 5708
Dogs 1 / Races 1

14 Feb 2017 19:40


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mark keane wrote:

ronald george hunter wrote:

Bloody hell Jack, he apparently knows everything, and everyone,
coming from the dark side, he must know Darth Vader!

may the force be with you


HELP ME, OBI-WAN KENOBI. YOURE MY ONLY HOPE.

USE THE FORCE, LUKE.

NO. I AM YOUR FATHER.

A long time ago in a galaxy far, far away

Darth Vader (A New Hope): Ive been waiting for you, Obi-Wan. We meet again, at last. The circle is now complete. When I left you, I was but the learner; now I am the master.

Obi Wan Kenobi (A New Hope): Rememberthe Force will be with you, always.

Han Solo (A New Hope): Traveling through hyperspace aint like dusting crops, farm boy.

Darth Vader (A New Hope): The force is strong with this one.

Obi Wan Kenobi (A New Hope) : Use the force, Luke.

Yoda (The Empire Strikes Back): Judge me by my size, do you?

Yoda (The Empire Strikes Back): Do. Or do not. There is no try.

Luke (The Empire Strikes Back): I wont fail you. Im not afraid.
Yoda: You will be. You will be.




Johnathon Campbell
Australia
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Posts 4635
Dogs 5 / Races 2

14 Feb 2017 20:20


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True story.
A few years back a horse trainer in Byford WA had horse feed delivered along with bags of chook feed.
The stable hand put the wrong pellets into the feed bin in the tack room.
The trainer was feeding his few horses chook feed pellets for a few weeks and one of them in that time had a major form turn around and won a couple of races.
He went to his shed one day to get a new bag of chook feed and found the AV horse pellets instead and picked up the mistake.
The horse pellets and chook pellets come from the same local feed mill so the bags are the same just stamped differently.
The horse had been swabbed because of the form turn around and came up clean.
Goes to show that you can over pay on things you really don't need as bad as your mind tells you.


Carole Brown
Australia
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Posts 32355
Dogs 185 / Races 2

14 Feb 2017 20:32


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Remember Howard Gray's dog, in SA, that raced, successfully, on baked beans ?



Jack Ogilvie
Australia
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Posts 15483
Dogs 0 / Races 1

14 Feb 2017 20:48


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Was that Kate's scandal.
or some thing like that.good to see you back Carole .Have you been following some of the more interesting threads on here.?
Cheers Jack.


Carole Brown
Australia
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Posts 32355
Dogs 185 / Races 2

14 Feb 2017 20:53


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Yes, Jack. Answered you in talk.



Jack Ogilvie
Australia
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Posts 15483
Dogs 0 / Races 1

14 Feb 2017 21:28


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Carole Brown wrote:

Remember Howard Gray's dog, in SA, that raced, successfully, on baked beans ?

Yes Carole ,Kate's a scandal won Nat sprint champion ship making it 15 straight wins is Howard still about.
Cheers Jack..



Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

14 Feb 2017 21:44


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Peter Bryce wrote:

Vitamins
Vitamins are the triggering substances that influence a large range of biological functions and as such are an essential part of the racing greyhounds diet.
While the body produces some vitamins such as vitamin C and K, unless the diet included a range of vegetables and fruits, the addition of a good quality broad-spectrum vitamin and mineral mixture to the food is recommended.
Vitamin A (Retinol)
Essential for, eyes, skin, hair, reproduction, adrenal glands, and increases resistance to respiratory infections. Sources: raw meat, cod liver oil, eggs.
Vitamin B
The vitamins in the B group act together and complement each others function.
Stress and antibiotic treatment reduce the levels of the B group vitamins in general, while large doses of vitamin C reduce the function of B12.
Sources: grain cereal, raw meat, green leafy vegetables, Turrella yeast and brewers yeast.
Unfortunately brewers yeast has been found to cause skin allergies and gut problems in susceptible greyhounds. Some Veterinarians have also found that wheat has a similar effect on some greyhounds and recommend a wheat free diet to many of their clients that have dogs with digestive problems.
B1 (Thiamine)
Essential for effective protein and carbohydrate metabolism, tissue growth, nervous system, red blood cells, assists circulation.
B2 (Riboflavin)
Promotes growth of skin, hair and nails, essential for healthy eyes, red blood cells, and immune system.
B3 (Niacin)
Essential for effective protein and carbohydrate metabolism, nervous system, assists circulation.
B5 (Pantothenic acid)
Essential for the immune system and adrenal glands, stimulates production of cortisone and adrenal hormones, nervous system, reduces muscle cramping.
B6 (Pyridoxine)
Essential for the production of DNA, activates enzyme function, aids metabolism of fatty acids, nervous system, red blood cell production, and immune function.
B9 (Folic acid)
Essential for the production of red blood cells, DNA, and aids protein metabolism
B12 (Cobalamin) (Cyanocobalamin injectable form)
Essential for the production and regeneration of red blood cells, activates enzyme function.
Choline (Part of the B complex)
Essential for fat metabolism, aids liver function and in transport and absorption of fat-soluble vitamins.
Biotin (Part of the B complex)
Assists with the metabolism of protein and fats, required for health of hair and nails.
B15 (Pangamic acid) (Di-Isopropylamine Dichloroacetate injection)
Involved in tissue and cell oxygenation, fat metabolism, and glandular system. In the injectable form it dilates the blood vessels, assists in cell oxygenation and waste product removal from muscle tissue.
Vitamin C (Ascorbic acid)
Canines produce vitamin C in the gut and generally do not require additional sources in the diet.
Of some benefit as a urinary acidifier (oral) to reduce the incidence of urinary tract infections, and in the treatment of spinal disc damage (by injection)
Vitamin D (Calciferol)
Essential for bone development and the absorption of calcium from the diet
Vitamin E
Assists circulation, cell oxygenation, fertility.
Vitamin K
Again produced by healthy canines in the gut, essential for the production of the prothrombin required for normal blood clotting.
Hypervitaminosis (excessive vitamins)
Hypervitaminosis is more common than Hypovitaminosis (vitamin deficiency) due to the practice of excessive supplementation.
More is certainly not better
Excess water-soluble vitamins are excreted via the urine and place increased stress on the kidneys, while fat-soluble vitamins are stored and, therefore, are potentially toxic.
Excess Vitamin A may result in bone and joint pain, brittle bones and dry skin.
Excess Vitamin D may result in very dense bones, soft tissue calcification or bone joint calcification.
Anti-vitamins
These basically stop the body using the specific vitamin and may therefore cause deficiencies.
For example, avidin, found in the egg white of raw eggs may cause a biotin deficiency, and sulphur dioxide widely used as a preservative in knackery meat, destroys the thiamine in the meat and any thiamine supplementation. Sulphur dioxide has also been implicated in reducing the ability of Haemoglobin to carry oxygen throughout the body.

VITAMINS:

Vitamin A. (Retinol)

Major Functions in the Body:
Metabolism, bone growth, mucous membranes, hair, skin, wound healing, liver function, sight. Immune response.

Signs of Deficiency:
Reduced performance, tendon weakness? Poor eye sight, reduced fertility, scaly. skin

Signs of Excess
Loss of appetite, brittle bones due to calcium loss.

High Risk Dietary Imbalances:
Lean meat diets low in animal fats.

Dietary Needs:
Supplement half RDI on lean meat diets.10,000 IU daily for 10-14 days to increase viral resistance. 20,000 IU daily for 6-8 weeks to aid tendon and ligament healing.

Vitamin D (Cholecalciferol):

Major Functions in the Body:
Regulation of calcium and phosphorus absorption synthesised in skin with two hours sunlight.

Signs of Deficiency:
Weak, poor bone development, enlarged joints, Rickets in young animals, weak bones in older greyhounds

Signs of Excess:
Weakness, diarrhoea, vomiting. Risk of soft tissue calcium buildup.

High Risk Imbalances:
Reduced sunlight in kennelled greyhounds, winter months, early morning and evening outdoor walks.Lean meat diets, imbalanced Ca:P diets.

Dietary Needs:
Add RDI to lean meat based diets, or kennelled greyhounds without outside yards, and those on calcium supplements.

Vitamin E (Tocopherol):

Major function in the Body:
Antioxidant. Protection of fats against oxidation. Interrelated to selenium. Immune response. Muscle strength and metabolism.

Signs of Deficiency:
Muscle weakness, loss of stamina; risk of .. Cramping? Reduced fertility. Birth of weak or dead pups in breeding bitches.

Signs of Excess:
Depressed appetite. Note:
Supplement stepwise increase -25iu daily for 3 days, then 50iu for 3 days, then to full dose to avoid lethargy on sudden introduction.

High Risk Imbalances:
Lean meat diets. Freezing meat destroys vitamin E, as does mixing supplements of vitamin E with iron tonics in feed.

Dietary Needs
Single most beneficial vitamin for performance and stamina. Add 40iu minimum daily, especially if diet contains frozen or cooked meats, added fat, and supplemented polyunsaturated fats. Do not mix in same feed as iron tonics.

Vitamin K:

Major Functions in the Body
Clotting of blood

Signs of Deficiency:
Increased time for blood to clot - risk of haemorrhage

Signs of Excess:
Not known- but excess levels may be toxic.

High Risk Imbalances:
Feeds cooked at high temperature. Excess vitamin A in diet. Long term sulphonamide antibacterial treatment.

Dietary Needs:
Not a necessary additive, except during long courses of sulphonamide therapy or when there is chronic diarrhoea due to bowel disease. Consult vet.

Vitamin B1 (Thiamine)

Major Function in the Body:
Metabolism of carbohydrates and proteins. Some bowel synthesis.
Signs of Deficiency:
Loss of appetite and weight, poor performance and slow recovery from racing.

Signs of Excess:
Water soluble - not considered toxic.

High Risk Imbalances:
Cooked foods, raw fish (carp). High carbohydrate dry foods- add vitamin B 1 to help avoid cramping .

Dietary Needs:
Raw meat contains about 100ug/100g. Always cook fish High doses (40mg daily) for 2-3 weeks may settle nervous animals.

Vitamin B2 (Riboflavin)
Metabolism of all energy sources.

Signs of deficiency:
Reduced muscle strength, poor recovery, skin scaling, reduced fertility.

Signs of Excess:
Water soluble - not considered toxic.

High Risk Imbalances:
Cooked foods, excess bicarbonate added to moistened food.

Dietary Needs:
Raw meat contains about 200ug/l00g. Supplement diets containing additional fat with 4.5mg daily.

VitaminB3 (Niacin Nicotinamide)

Major Functions in the Body:
Metabolism of carbohydrates - important on high dry food diets.

Signs of Deficiency:
Ulceration of mouth, classical Black Tongue disease.

High Risk Imbalances:
Anaemia performance and poor
Dilation of blood vessels due to nicotinic acid base.
High dry food diets, long term sulphonamide therapy.

Dietary Needs:
Raw meat contains about 5mg/100g. Highest requirement for any B complex vitamin - always supplement high dry food diets with at least 50% RDI.

Vitamin B5 (pantothenic acid)

Major Functions in the Body:
Metabolism of all energy sources.

Signs of Deficiency:
Poor appetite, reduced adrenal gland activity - poor performance and recovery depressed liver function

Signs of Excess:
Water soluble - not considered toxic.

High Risk Imbalances:
Cooked foods. Excess bicarbonate added to moistened feed. Aminoglycoside antibiotic therapy.

Dietary Needs:
Raw meat contains about . 0.3mgIlOOg. Eggs 1.0mg each. Add at least 50% RDI to racing diets.

Vitamin B6 (Pyridoxine):

Major Functions in the Body:
Metabolism of proteins and fats. Blood cell and haemoglobin production. Little gut synthesis.

Signs of Deficiency:
Poor blood count and small red cell anaemia- Loss of appetite.

Signs of Excess:
Water soluble - not known.

High Risk Imbalances:
Requirement related to protein level in diet -increase vitamin B6 in high protein diets.

Dietary Needs:
Raw meat contains about 0.15mg/l00g. Supplement 2.0mg daily for 14-21 days with iron, B12 and folic acid following heavy burdens of hookworms.




Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

14 Feb 2017 22:14


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Cont:

Vitamin Bl2 (Cyanocobalamin):

Major Functions in the Body:
Metabolism. Blood production
(Gut synthesis using cobalt in diet or iron tonics)

Signs of Deficiency:
Anaemia, lack of stamina, poor performance.

Signs of Excess:
Water soluble - not known. High doses 500-1000ug daily for 5-7 days may help stop manure eating

High Risk Imbalances:
High chicken or fish diets. Deficiency of vitamin B6 in diet.

Dietary Needs:
Raw meat contains about 2-3ug/l00g. Liver contains about 50ug/100g . Always supplement white meat (chicken and fish) diets l00ugdaily, along with iron and copper.

Folic acid (Folacin):

Metabolism. Blood production with vitamin B6 and vitamin C. Natural gut synthesis of this vitamin is poorly absorbed.

Signs of Deficiency:
Anaemia, usually following blood loss or heavy hookworm burdens.
Signs of Excess:
Water soluble - not considered toxic.

High Risk Imbalances:
Cooking of foods. Long term. Sulphonamide therapy.

Dietary Needs:
Raw meat contains about 1-5ug/l00g. Liver up to l00ug/100g. High doses up to 500ug daily for 7 days may assist vaccination response. Always supplement at least 50% RDl on racing diets.

Biotin:

Major Functions in the Body:
Metabolism .of carbohydrates, protein, fats .. Nail and hair growth? Efficient gut synthesis.

Signs Of Deficiency:
Scaly skin, hair loss, poor appetite, diarrhoea - not common on regular diets.

Signs of Excess
Not considered toxic.

High Risk Imbalances:
Long term oral antibiotic therapy destroys gut bacteria. Raw egg whites contain avidin enzyme that destroys biotin.

Dietary Needs:
Raw meat contains about 3ug/l00g. 12mg daily may assist toenail strength, combined with calcium supplement. Cook egg whites to destroy enzyme and improve digestibility.

Vitamin B15 (Pangamic acid):

Major Functions in the Body:
Various unproven functions

Signs of Deficiency:
Not known

Signs of Excess:
Not Known

Dietary Needs:
Available in synthetic form as DADA in some countries. Not a natural food component or vitamin. Responses claimed to 50mg orally daily to aid energy production not proven.

Choline:
Major Functions in the Body:
Nervous function, liver function, fat control.

Signs of Deficiency:
Fat accumulates in liver.
Poor performance.

Signs of Excess:
Diarrhoea if more than 109 given daily.

High Risk Imbalances:
Unpalatable as pure choline

Dietary Needs
Choline needs provided by Methionine 500-1500mg daily.

Vitamin C:

Major Functions in the Body:
Metabolism. Blood production. Adrenal stress hormones. Collagen synthesis.

Signs of Deficiency
Anaemia, reduced healing, skin disease. Reduced performance and poor immunity? Poor recovery from racing?

Signs of Excess:
Lower blood levels in hard raced greyhounds.

High Risk Imbalances:
Avoid contact with iron and copper in supplements.

Dietary Needs:
Raw meat contains about 2mg/l00g. Vegetables 50-100mg/l00g. Supplement 250-1000mg daily for 1-2 days before racing.



Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

14 Feb 2017 23:52


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Mark
This thread started out comparing todays Kibble Meat Diets with "The Old School" Bread Vegs Meat that came with Fat and a few add ins from the Kitchen
Taken out of context
Everyone needs to take a deep breath and read the thread from the beginning.
If you choose to feed from bags with high Salt content that will impact on Kidneys Liver etc that is a personal choice
However I found that those who were heaping criticism actually didn't or don't feed Kibble.
Some just like arguing to make their presence.
You don't see their name STARTING a thread.


Michael Geraghty
Australia
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Posts 4138
Dogs 14 / Races 15

15 Feb 2017 00:15


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Carole Brown wrote:

Remember Howard Gray's dog, in SA, that raced, successfully, on baked beans ?

That would have a lot to do with the wind factor and afterburn, Carole.
The propulsion gained from the beans and the rancid smell would almost guarantee success, and by some big margins I would imagine.

:(


Carole Brown
Australia
(Verified User)
Posts 32355
Dogs 185 / Races 2

15 Feb 2017 00:28


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Good one, Michael !! Ha ha.



Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

16 Feb 2017 20:28


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Amino Acids - Supplement or not?

Amino Acids
What are amino acids?
Twenty percent of the human body is made up of protein. Protein plays a crucial role in almost all biological processes and amino acids are the building blocks of it.
A large proportion of our cells, muscles and tissue is made up of amino acids, meaning they carry out many important bodily functions, such as giving cells their structure. They also play a key role in the transport and the storage of nutrients. Amino acids have an influence on the function of organs, glands, tendons and arteries. They are furthermore essential for healing wounds and repairing tissue, especially in the muscles, bones, skin and hair as well as for the removal of all kinds of waste deposits produced in connection with the metabolism.
The importance of amino acids for human well-being is on the increase
Meirion Jones, a well-known BBC journalist, reported that contrary to years ago, many doctors have now confirmed that a supply of amino acids (also by way of nutritional supplements) can have positive effects.
Jones and Erdmann explain the changes in medical opinion in the following way: Unfortunately, in the real world countless factors are working to prevent our bodies from receiving a full and balanced supply of these all-important substances. Among these factors are the pollution caused by burning fossil-fuels, the hormones fed to cattle, the intensive use of fertilizers in agriculture, and even habits such as smoking and drinking, all of which can prevent our bodies from fully using what we eat. Worse still is the amount of nutrition that is lost from our food through processing before we actually get to eat it...By providing the body with optimal nutrition, amino acids help to replace what is lost and, in doing so, promote well-being and vitality.1
A recent study from Germany carried out by the DAK has revealed that older people in particular are more prone to suffering from malnutrition. If the body is lacking in the minimum energy and nutrients, the body cannot carry out its bodily and mental functions. Without the necessary vitamins, proteins (amino acids), trace elements and minerals, there is a risk of debilities and metabolic disorders which can have serious consequences.
2
The amino acid pool has to be right
Jones believes that almost every disease caused by civilisation is a result of imbalances in our metabolism. The amino-acid pool is jointly responsible for achieving a balanced metabolism.
The amino acid pool describes the entire amount of available free amino acids in the human body. The size of the pool amounts to around 120 to 130 grams in an adult male. If we consume protein in the diet, the protein in the gastro-intestinal tract is broken down into the individual amino acids and then put back together again as new protein. This complex biological process is called protein biosynthesis. The entire amino acid pool is transformed, or exchanged three to four times a day. This means that the body has to be supplied with more amino acids, partly by protein biosynthesis, partly by the diet or through consumption of suitable dietary supplements.
The objective is that the amino acid pool is complete and maintained in the correct combination. If the one or more amino acids are not available in sufficient quantities, the production of protein is weakened and the metabolism may only function in a limited way.
Older people are not the only ones who this applies to, for young people can also be affected by the negative consequences of a limited supply of nutrients. These include weight problems, hair loss, skin problems, sleep disorders, mood swings and/or erectile disorders but also arthritis, diabetes, cardiovascular imbalance (high cholesterol levels, high blood pressure) or even menopausal complaints.

Sources
1
Erdmann, R. & Jones , M., (1987) The Amino Revolution, First Fireside Edition, p2.
2
DAK-Studie: Immer mehr Senioren mit Mangelernhrung in Klinik, Hamburger Abendblatt (Dezember 2011)What are amino acids?




Peter Bryce
Australia
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Posts 706
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16 Feb 2017 20:32


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This article by Jordan Zobrist.
In the world of supplements, protein whether from whey or another source tends to hold steady as king of them all. But heres something from high school biology you may have forgotten: Proteins are made of amino acids.
Actually, those amino acids are the very reason that protein is so important. Put very simply, amino acids are the building blocks of life. When you ingest a protein, your body breaks it apart into the individual aminos, reorders them, refolds them and turns them into whatever is needed at the time. But some amino acids are incredibly unique in the way theyre used in your body, especially when it comes to fitness.
Of primary concern to athletes is a group of three amino acids, leucine, isoleucine, and valine,called Branched-chain Amino Acids (BCAAs). As their name suggests, these aminos have a specialized shaped that allows them to be used in ways that other amino acids could only dream about. What, exactly, makes BCAAs so important? If proteins are made of amino acids, why should you also take amino acid supplements, instead of just getting all your protein?
Guaranteed, Balanced Dosage As mentioned, whey protein naturally contains BCAAs. So, why take a separate supplement. Even a high quality protein, like Gnarly Whey, will only contain a set amount of BCAAs which will also be mixed with all of the other aminos. And amino acids compete for absorption with each other. To get the full benefit of BCAAs, then, a dedicated amino acid supplement, such as Gnarly BCAAs, is needed
Improved Muscle Growth Okay, but whats the point? What do BCAAs actually do? Lots of stuff, as it turns out. The primary reason that people turn to amino acid supplements, though, has to do with muscle growth. Leucine, in particular, has been shown to regulate and improve muscle protein synthesis after exercise. Stimulated by the stress of your workout and encouraged by the jolt of leucine, then, your muscles will have everything they need to grow and be better prepared for your next workout.
Increased Endurance Well talk about this a little more in the next point, but amino acid supplements change the way your body uses your primary fuel sources carbs and fat. For many athletes, especially those who depend on short bursts of power like sprints, glycogen depletion is a major problem, leading to exhaustion and a sharp drop in performance. Interestingly, a 2011 study put 7 male volunteers through a workout that was designed to totally destroy their glycogen supply. One group was given BCAAs and the other was given a placebo. The glycogen stores in the BCAA group were protected so well that these subjects saw a 17.2 percent increase in the time it took for them to hit the wall.
Greater Fat Burn So, how do you think BCAAs protected the glycogen of those athletes? By burning fat instead. For those trying to lose some body fat, or athletes training on a low-carb diet, then, BCAAs will help your body make the switch to depending on fat for fuel.
Reduced Fatigue Related to the above-mentioned findings, BCAAs have demonstrated the ability to ward off the mental fatigue that sometimes accompanies long workouts. Primarily, this is because the relationship between low BCAAs and tryptophan. Normally, when your BCAA levels drop, your body produces more tryptophan which then becomes serotonin in your brain and leads to feelings of tiredness and mental fatigue. BCAA supplements prevent this process.
Increased Mental Focus By keeping the tryptophan monster away, amino acid supplements improve your short term memory and processing abilities. During competitions especially those that last for several hours this can be the key to victory.

Muscle Sparing I know you dont like to think about it but we need to discuss a harsh truth: Exercise damages your muscles. Usually, this damage is exactly what your body needs to rebuild and get stronger. Sometimes, however, things go too far and your muscles are actually broken down and used for fuel. Endurance athletes and those who routinely exercise in a fasted state or at a caloric deficit are especially at risk here. BCAAs, however, protect your muscle fibers from suffering too much damage.
Improved Recovery This ability to increase muscle protein synthesis and guard your muscles means that you can recover from your workouts faster, getting back to your routine with less downtime. And remember, its during these periods of rest that your fitness improves. Ensuring that your recovery is complete, then, is vital to making progress.
Reduced Muscle Soreness But wait, theres more! The reduced damage and improved recovery has also been shown to limit the soreness that generally sets in after a strenuous workout.
Improved Performance in Sports If we take all of the physical and psychological benefits of amino acid supplements together, something amazing becomes apparent: It can improve your overall performance. Your body will respond better to your workouts and your mind will operate more efficiently during the actual event, allowing you to maintain your focus and make better decisions




Peter Bryce
Australia
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Posts 706
Dogs 0 / Races 0

16 Feb 2017 20:36


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Amino Acids - To Supplement or not?

Amino Acids in Racing Greyhounds
Article by Tom Muelman
EXTERNAL LINK
The importance of Amino Acids

It is an unfortunate fact of life that few greyhound trainers actually look at the exact make up of their racing greyhounds diet.

While some do look at the various percentages of Protein, Carbohydrates and Fats in the diet, no trainer that I know looks at the type of protein in the diet, nor considers the fact that it is not protein that is absorbed into the greyhounds system, but only those Amino Acids available in the particular type of protein that is provided in the diet.

Amino Acids are the building block of life and just about everything in the body is made up of various types of Amino Acids.

Amino Acids account for 75% of dry body weight. (Vitamins and minerals account for only 1.5% of dry body weight).
Amino Acids make up all neurotransmitters except for one.
95% of all hormones are made up of Amino Acids.
100% of all body protein is made up of Amino Acids
DNA and RNA, the genetic material, require Amino Acids.

Amino Acids influence every gland and every system in the body.

A few examples of Amino Acid functions are:

Thyroid Hormone
The various forms of thyroid hormone are all made of Amino Acids.
The thyroid gland is the energy burner and helps to maintain a normal metabolic function. Too little thyroid hormone and dogs can become easily tired, sluggish and often unwilling to free gallop or work for any length of time.

Pancreas
Insulin is one of the main hormones made by the pancreas, and is made up of a long chain of Amino Acids.
Insulin is essential for maintaining normal levels of blood sugar, and therefore energy levels.

Adrenal
The adrenal gland makes a host of hormones among which adrenaline is one of the most important (Adrenaline is made from the Amino Acid, Tyrosine).
Adrenaline is essential for the fast reaction time required by the racing greyhound. However because greyhounds are placed in a stressful situation such as chasing the lure they often have adrenals that are burning out and this effect can be aggravated by low Tyrosine levels in the diet.
One of the important functions of adrenaline is that it triggers the liver to break down glycogen, the glucose store, to provide an immediate rush of energy.

Pituitary
Growth Hormone is a major contributor to energy, vitality, muscle strength and endurance and is structured from a long chain of Amino Acids.

Sex Hormones
The sex hormones, including Oestrogen, Progesterone, and Testosterone are all Amino Acid based.

Specific Essential Amino Acid Functions
They prevent degenerative disease through their anti-oxidant functions. They keep the gastrointestinal tract working. Amino Acids are critical to immune system function and thus help to fight viruses, bacteria, parasites, and cancer. The sulphur-containing Amino Acids help detoxify heavy metals. Muscles are built and repaired by Amino Acids, such as Valine, Leucine, and Isoleucine. Connective tissue, including ligaments, tendons, cartilage, and joint surfaces, are made of Amino Acids, especially L-Proline and L-Lysine. Heart muscle is dependent on Amino Acids, as is heart rate and rhythm. The nervous system relies heavily on Amino Acids to serve as neurotransmitters, the molecules that carry information from one neuron to another. They regulate blood sugar levels, and therefore, energy. The Amino Acids Cysteine and Methionine fight allergies. The Amino Acid Taurine prevents epileptic seizures. Growth hormone requires the Amino Acids Ornithine and Arginine. The Amino Acid Glycine is required for wound healing. L-Carnitine is a heart tonic. Histidine fights arthritis. Histidine increases libido. Lysine helps fights viruses and is essential for bone growth. D-L Phenylalanine helps relieve pain. Threonine helps prevent build up of fat in the liver.

So as you can see Amino Acids derived from the protein in the diet are absolute essential to not only good health but also to optimum performance.

There are a specific group of Amino Acids that must be provided in the diet, and are known as the essential Amino Acids. Other Amino Acids are not considered essential because they are able to be synthesised.
However, if any one of the essential Amino Acids is not available in sufficient amounts or is present in excessive amounts relative to other essential Amino Acids, protein synthesis will not be supported and a lack of an essential Amino Acid can occur.

The value of dietary protein is therefore determined by the amount and proportion of essential Amino Acids it provides.

Good sources of high value protein for the racing greyhound are red meat, poultry, egg and milk protein.

Because not all of the essential Amino Acids are supplied in red meat alone, I believe it to be worthwhile to add other sources of high value protein to the diet.

In regard to the "complete" dry foods and their protein content.
It is of some concern to me that that while a range of types of protein are listed on the packaging of some, that due to the heat and cooking processes involved in the manufacture of these products, the bioavailability of the Amino Acids in the protein content of these foods is extremely poor, causing an imbalance of essential Amino Acids in the diet.

While there is a very high protein content in these types of foods, if the protein they contain can not be broken down in the digestive system to release the Amino Acid content, the only use for this protein is to supply energy needs.

This unfortunately increases the stress on the kidneys due to the increase of waste produced by the body using protein as an energy source instead of complex carbohydrates.

While adding meat to these complete foods may solve some of the Amino Acid requirement problems, it unfortunately increases the reliance by the body on the protein in the diet as an energy source and further aggravating kidney function problems.

Tom

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