... that calciumsource effect on egg production. The use ofcalcium carbonate produced higher egg production than dicalcium phosphate (Silva and Santos, ...Supplementation of 50% ...
... supplementation of cobalt and vitamin B 12 in diets for commercial layinghens on the second production cycle w as ...commercial layinghens, Lohmann LSL, w ere used at initial ...
... terms of avP levels, Andrade et ...On the other hand, Barreto (1994) observed that the highest egg weight was obtained when layers were fed ...(1991) fed layers with ...avP. The ...
... advantages of using the broken- line method compared with the exponential and the second-order ...Firstly, the broken-line method estimates AA requirements based on the best ...
... investigate the effects of feed supplementation with essential oils on egg weight and body mass oflaying ...hens. Hensofthelaying breed Isa Brown were ...
... content of potassium was recorded in E2 against control and E1. The contents of iron and manganese in table eggs were not markedly affected of oils addition in feed ...Values of ...
... behaved the same way as the yolk percentage, with lower values for the Lohmann Brown line receiving 100% basal diet (only in the third productive cycle evaluated) and the other three ...
... for the tibia density and stated that bones of poultry fed ...3.8% calcium had higher densities than those fed on ...1.8% calcium. This proves that the elevated levels ...
... - The influence ofdifferent levels of expanded perlite on theperformance and egg quality traits was studied in laying ...weeks of age were randomly assigned to ...
... excellent, the maintenance of their chemical and physical characteristics on the market for commercialization is a ...and the eggs reach the commercial outlets at room temperature when ...
... by the National Research Council (NRC, 1994) specification using a feed mixer in a Feed Mill (Jilin Hanghong Animal Husbandry ...all the diets equally. All the representative samples in triplicate ...
... by the Animal Care Committee ofthe Ferdowsi University of ...level of linoleic acid (1.55 ± 0.02%). One hundred forty-four of 70-wk-old hens layers (Hi-line W36) with ...
... maintenance ofperformance, even at the lower levels of OTM inclusion observed in the present experiment, indicates two important ...facts. The first is that, due to their ...
... evaluating the influence ofthe supplementation of digestible lysine and digestible arginine at different ratios in the diet fed to layers between 24 to 44 weeks of ...
... determine the dietary digestible threonine-to-lysine ...for layinghensfed with low-protein diets from 24 to 40 weeks of ...weeks of age, two hundred forty Hy Line W-36 ...
... objective of this study was to evaluate theperformance as well as the quality of eggs from birds fed diets containing whole rice bran (RB), with or without the addition ...
... Layinghens may have their performance impaired by stress, which is the main reason and triggers a series of undesirable behaviors, such as aggression, feather pecking and social ...
... because of having β-mannan, one ofthe Nonstarch Polysaccharides ...effects of enzyme supplementation of GM-included diets on productive performanceoflaying ...
... Because ofthe chemical composition of eggshells, i.e. the fact that 95 % ofthe shell is made up ofcalcium carbon- ate, an optimal supply of Ca to ...
... ABSTRACT. The experiment evaluated the effect ofdifferentcalcium (Ca) levels in pre-laying and laying diets on theperformance and egg quality of ...