Abdelrahman Youssef likes the comment:
Dr. Prakash Adhikari Thanks for your comment. The link for my YouTube videos on similar topics is
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Prolapse during production is usually related to poor skeleton development during rearing, even if body weight during production is at target. In future, try to achieve upper limit of target weight from 4 to 8 weeks of age. The following tips may help to reduce losses in this flock. 1. Do not exceed 16 hours light duration (better 15 hours). Also reduce light intensity (maximum 40 lux in open hous ...
Abdelrahman Youssef likes the comment:
Hello there. Mick´s comments are, to me, absolutely correct! Phytases do have an effect in making tot Ca of the diet more available to the bird. But to reflect this effect correctly without making mistakes in what real Ca can be measured in your feed, then use 2 Ca values for each ingredient: Ca analytical - I call it Ca label - and tot Ca (biological by Mick). However, for the phytase, just ...
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In practical formulation, nutritionists usually consider P & Ca as per the recommendation of 'phytase company', keeping the rest of the nutrients escaped to provide benefit, if any, to birds. As for as terminology of 'P' is concerned, it's being used as 'non-phytate' and 'digestible'. The value of both is different for different sources (e.g.) MCP has 100% non-phytate P whereas its digestible val ...
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Various skeletal disorders affect most fast growing meat birds and also laying hens. A number of factors are known to influence normal bone development and these are discussed in relation to fast growth rate. The incidence of leg problems is generally higher in males than females.Nutritional factors include protein and amino acids, vitamins, minerals and electrolyte balance as well as role of myco ...
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Osteoporosis (Caged Layer Fatigue) is a condition which manifests itself in several clinical signs. There is leg weakness and sometime paralysis. Affected birds are unable to stand and usually to move to the back area of the cage. They often fall onto their sides with leg outstretched. Birds which live for several days after going down may dehydrated or emaciate and are out of production. Although ...
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Rickets can occur in young birds due to insufficient Vitamin D3, calcium and/or phosphorus. Commercial feeds and supplements provide these nutrients, but if they are over-diluted, the birds will not get enough.Birds can synthesize their own Vitamin D, to a certain extent, with exposure to sunlight. A deficiency of any of these nutrients can also lead to problems with egg-laying birds. Egg producti ...
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April 8, 2018
Location:Cairo, Al Qahirah, Egypt
Profile: Academic / scientific
Occupation: Animal Nutritionist
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