A 4-week feeding trial with 120 day-old broiler (Hubbard) chicks was conducted to determine the efficacy of microbial phytase (Natuphos

this study is due to investigate the histological and histochemical properties of the tongue of the embryo and one day old ostrich chickens. twelve eggs in various embryonic stages (22, 26, 30 and 36 embryonic days) and three one day chicks were used. the specimens from whole of tongue were collected and after preparing tissue were stained by histological staining methods include h & e,masson t...

The ability of the infectious bronchitis H120 (a Massachusetts strain) and CR88 (a 793B strain) live attenuated vaccine viruses to protect from two Middle East infectious bronchitis virus isolates, IS/885/00-like (IS/885) and IS/1494/06-like (IS/1494) in broiler chicks was investigated. Day-old chicks were separated into three groups, (I) vaccinated with H120 at day-old followed by CR88 at 14 d...

This study conducted to evaluate the effect of prebiotics (Fermacto) and isoleucine and their combination on performance and some blood parameters of broiler chickens during finisher period. At the first of experiment 300 one-day-old mixed Ross broiler chicks reared in same condition according to Ross manual guide up to 21 days old. Chicks at 21 day old were randomly allocated to 20 groups of 1...

a total of 448 ross 308 seven-day old male broiler chicks were assigned to seven treatments with four replicates, each containing 16 chicks, to determine effects of physical sizes and rate of dietary inclusion of clinoptilolite. the chicks fed diet containing clinoptilolite at 1.5% and particle size of 0.4-0.8 mm showed significantly higher body weight gain than the control group that did not r...