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Showing posts with label 42 days. Show all posts
Showing posts with label 42 days. Show all posts
Wednesday, December 16, 2015
FEEDING BROILERS FOR OPTIMUM GROWTH.
Chicks grow and develop at an incredible rate during the first week of hatching. With just 34-42 days from the beginning to end of the broiler production cycle, that makes the right choice of starter feed particularly critical.The importance of a feed that is specially tailored to the needs of chicks up to the age of ten days cannot be understated.
The key consideration for the producer is the digestibility of the feed. Both the digestive tract and immune system are highly immature at hatching. So, unless the feed is easy to digest, most of the nutrients will pass through the digestive tract un absorbed and be excreted in the droppings.
The chick will then draw energy from the immunoglobulins and unsaturated fatty acids in its yolk sac, leaving little for development and immunity.This is a serious problem for a chick that needs to develop vital organs and quadruple in weight by the time it is seven days old. The fact that chicks can go up to 48 hours from hatching to their first intake of feed is an added pressure.For all these reasons, a sub-optimal feed will only add to the challenges a chick has to overcome. Apart from impairing growth due to poor nutrient absorption, it will increase vulnerability to pathogenic bacteria and viruses, such as Salmonella and Campylobacter.
A lot of nutrients are necessary to ensure proper growth. One of the most important of them is protein. Due to its high quality and lower cost than proteins from some animal sources, soy protein is a popular choice. Here, again, digestibility is the key to success.
The issue with soy protein in its untreated form is its content of anti-nutritional factors (ANF). Though not a problem for older broilers, in the immature digestive system of a newly hatched chick ANF have a direct negative impact on protein absorption – and the chick's potential for healthy growth,the answer is reduction of the anti-nutritional factors to a very low level, while maintaining the nutritious protein components intact. An optimized starter feed that takes the immature digestive systems of hatchlings into account is another step in the ongoing optimization process, and also the reduction in rearing time.
story credit; world poultry.
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