نتایج جستجو برای: pullets

تعداد نتایج: 775  

2012
M. F. Houndonougbo C. A. A. M. Chrysostome F. Daga Dadjo S. L. Adjaho

The aim of this paper was to evaluate the effects of toasted soybean grains on bioeconomic performance of pullets and layer hens in hot and humid environment. A total of 972 three-week-old Harco chicks were divided into 12 groups. At starter, pullet and laying phases, birds were fed four diets containing 0% (R0), 5% (R5), 10% (R10), and 15% (R15) of soybean grains. Results showed similar feed i...

Journal: :Avian diseases 2010
J L Purswell J J Mayer J D Evans S L Branton J D Davis

Spray application of Mycoplasma gallisepticum (MG) vaccines is a labor- and time-saving means of mass vaccination of layer chickens. Recent assessment of spray characteristics of nozzles commonly used to apply MG vaccine in layer chicken operations has shown that the amount of respirable droplets (< 5 microm) is negligible. Topical application of vaccine onto the eye surface has been suggested ...

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