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Nutrition and immunity in poultry flocks

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Mojtaba Yegani

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Mojtaba Yegani received his DVM degree from faculty of Veterinary Medicine of University of Tehran, Iran.

Interactions between nutrition and the immune system have been the centre of attention in scientific communities over the past few years. It is already known that most nutrients are involved in the development of the immune system and its responses. (Comments 5)

Interactions between nutrition and the immune system have been the centre of attention in scientific communities over the past few years. It is already known that most nutrients are involved in the development of the immune system and its responses.
The effectiveness of this system is largely dependent on dietary conditions and it can be adversely affected by an inadequate supply of nutrients. Under commercial conditions, birds are usually exposed to a wide variety of stress factors which might alter the requirements for nutrients.
It is clear that a well-fed animal is immunologically more competent than a poorly fed animal. Nutrition and nutritional status have direct effects on the immunocompetence of birds and their resistance to infectious diseases.
Nutritional imbalances (particularly nutrient deficiencies) are more deleterious to the immune system early in life when the immune system is rapidly expanding.
On the other hand, immune responses caused by infectious challenges or other stressors can affect nutrient metabolism/requirements, growth rate, and reproductive efficiency of birds.
Does immune system enhancement have any place in your poultry farm's ration formula? If so, do you follow the commercial manual of your flock or do you act following your previous experiences?
Do you think that the nutritional approach is adequate to deal effectively with the immune system of your birds - particularly fast growing broilers? Let's share our experiences here.


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by Mojtaba Yegani last update:Apr 6, 2007

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7 comments

  • # 1

    Peter Zondervan - Kanters Special Products

    Immunesystem cannot always rely on feed, but is definately strongly supported by nutrients. Indeed stressors like infectious challenges cause additional specific nutrient requirement, which cannot be supported by feed alone, as birds simply need more but eat less!
    As such supplying the right nutrients via drinking water is a good solution. Birds always drink, also when they are sick!
    On this basis we developed our Nutriforte Poultry, a nutritional drinking water supplement,which is continuously dosed.
    See in our brochure the fantastic results with broiler performance.
    www.kanters.nl
  • # 2

    Khairy A.M. Hussein

    birds are usually exposed to a wide variety of stress factors which might alter the requirements for nutrients. Nutrition and nutritional status have direct effects on the immunocompetence of birds and their resistance to infectious diseases.Nutrient deficiencies are more deleterious to the immune system early in life when the immune system is rapidly expanding.Immune responses caused by infectious or other factors can affect nutrient metabolism/requirements, growth rate, and reproductive efficiency of birds.


  • # 3

    MAHDI EBRAHIMI

    In my opinion immune sysetem is strongly related to good ingredient and excellent nutrition but research finds that the chemical and synthetic material cause damage immune system. i think we have to enhance immune system of chicken by natural material such as propolis of bee and a lot of herbal medicine that enhanced immunity.
  • # 4

    Adebayo Kolade, Animal Care Services

    Of course,good nutrition goes a long way to enhance the immunocompetence of birds. However, it sometimes occurs that poor biosecurity measures and other forms of carelessness (especially by the small holding farmer) exposes the poultry flock to such overwhelming field challenge that their immune status can not cope with. While it has its own merit, disease prevention goes beyond immune system enhancement. A holistic approach is most desirable.
  • # 5

    fariborz sharifian

    poultry are exposed to many stress factors. vit E.&C can effect on the immunocompetence of birds.
  • # 6

    Jan van Geest

    Feed is not the only way tow work with, the Immunesystem cannot always rely on feed, but is definately strongly supported by nutrients. Indeed stressors like infectious challenges cause additional specific nutrient requirement, which cannot be supported by feed alone, as birds simply need more but eat less! As such supplying the right nutrients via drinking water is a good solution. Birds will even drink, also when they are sick! On this basis we developed our Intra Nutri Start-Mix, which already proved in Europe to get the best results it is a nutritional drinking water supplement,which is continuously dosed. See in our brochure the fantastic results with broiler performance. www.intracare.nl

  • # 7

    Dr M asif raza

    Avian immune system is very much complex in its function but with this topic in my opinion good nutrition values of feed have a great relation with the immune system of the birds. The cells responsible for production of immunity needs good help from nutrients of the feed. Vitamins ,minerals ,amino acids play a major role in developments of immune system e.g Vitamin E and Vitamin C play a good roll as an anti oxident ,protect the immune cells from harmfull affects of oxidation.The antibodies in the blood needs good quality of protein source. Good quality of protein in the feed is very much helpfull for good production of immune cells. So in my opinion good nutrition values through feed is very much directly related with the healthy immune system of the birds.

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