Energy and protein requirements of Khaki Campbell x Thai Native laying ducks
نویسندگان
چکیده
منابع مشابه
Inclusion of an emulsifier to the diets containing different sources of fats on performances of Khaki Campbell ducks
An experiment was conducted to study the effects of an emulsifier (glycerol polyethylene glycol ricinoleate: GPGR) and different sources of fat on the performance of Khaki Campbell ducks. Ducks were assigned into five groups with three replicates (10 ducks/replicate) in each group. Treatments were a control diet (C1: without added oil and emulsifier), control diet added with 2% soybean oil (C2)...
متن کاملProtein and Energy Requirements of Laying Hens and Broiler Breeders
Layer and Breeder rations are still evaluated, as a rule, on the basis of their protein content, expressed as "percent protein". This is the easiest and most practical criterion, but unfortunately it is a relative measure, depending on general feed consumption. The latter hardly relates to the productive traits of the hen, being dependent primarily on the energy content of the feed and on the e...
متن کاملEstimation of L-threonine requirements for Longyan laying ducks
OBJECTIVE A study was conducted to test six threonine (Thr) levels (0.39%, 0.44%, 0.49%, 0.54%, 0.59%, and 0.64%) to estimate the optimal dietary Thr requirements for Longyan laying ducks from 17 to 45 wk of age. METHODS Nine hundred Longyan ducks aged 17 wk were assigned randomly to the six dietary treatments, where each treatment comprised six replicate pens with 25 ducks per pen. RESULTS...
متن کاملInclusion of an emulsifier to the diets containing different sources of fats on performances of Khaki Campbell ducks.
An experiment was conducted to study the effects of an emulsifier (glycerol polyethylene glycol ricinoleate: GPGR) and different sources of fat on the performance of Khaki Campbell ducks. Ducks were assigned into five groups with three replicates (10 ducks/ replicate) in each group. Treatments were a control diet (C1: without added oil and emulsifier), control diet added with 2% soybean oil (C2...
متن کاملinclusion of an emulsifier to the diets containing different sources of fats on performances of khaki campbell ducks
an experiment was conducted to study the effects of an emulsifier (glycerol polyethylene glycol ricinoleate: gpgr) and different sources of fat on the performance of khaki campbell ducks. ducks were assigned into five groups with three replicates (10 ducks/replicate) in each group. treatments were a control diet (c1: without added oil and emulsifier), control diet added with 2% soybean oil (c2)...
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ژورنال
عنوان ژورنال: Asian-Australasian Journal of Animal Sciences
سال: 1992
ISSN: 1011-2367,1976-5517
DOI: 10.5713/ajas.1992.365