نتایج جستجو برای: broiler breeder

تعداد نتایج: 22632  

Journal: :E3S web of conferences 2021

The research aims to analyze competitiveness of broiler in District Tondano Utara, Regency Minahasa. Sampling technique utilized was saturated sampling (census method) by taking all existing samples, containing 68 samples the region Utara. Further, data analysis employed Policy Analysis Matrix (PAM). finding shows that PCR (Private Cost Ratio) valuewas less than(<) 1, which 0.65. This means ...

Journal: :تحقیقات دامپزشکی 0
رضا وکیلی گروه علوم دامی دانشگاه آزاد اسلامی واحد کاشمر پروانه خضرائی نیا گروه کلینیکال پاتولوژی دانشکده دامپزشکی، دانشگاه تهران پرستو یوسفی آزمایشگاه مرکزی دکتر رستگار دانشکده دامپزشکی، دانشگاه تهران مژگان احمدزاده آزمایشگاه مرکزی دکتر رستگار دانشکده دامپزشکی، دانشگاه تهران

the aim of the present study was to compare different periods of feed deprivation (day number of starvation in four physical feed restriction programs) on total immunuglobulins and lymphocytes percentage in pullets and cockerels of broiler breeder. a 4x2 factorial experiment based on a completely random design. 160 pullets and 160 cockerels of broiler breeder. feed intake content weekly was the...

Ahmad Heidari Ali shamshirsaz Mohammad Taheri, Yousef Jafari Ahangari

This study was conducted to determine the effects of increasing lighting after peak production on eggs production and Hatchable Eggs in broiler breeder Hubbard F15. In this research we used from 4 growing saloons, that in per saloons were 5250 Hubbards broiler breeder hens. In this Experiment we used by Line design way of GLM for analysed data, that we considered the Effects of two parameters, ...

Ahmad Heidari Ali shamshirsaz Mohammad Taheri, Yousef Jafari Ahangari

This study was conducted to determine the effects of increasing lighting after peak production on eggs production and Hatchable Eggs in broiler breeder Hubbard F15. In this research we used from 4 growing saloons, that in per saloons were 5250 Hubbards broiler breeder hens. In this Experiment we used by Line design way of GLM for analysed data, that we considered the Effects of two parameters, ...

Journal: : 2021

The objective of this study was to assess the hatch window, hatchability and quality broilers` chick obtained from different breeder strains in a commercial hatchery. A total 57 600 hatching eggs (28 800 per strain) were collected flocks Cobb 500 Ross 308 broiler parent stocks at 60-61 weeks age. Each strain randomly coded as B strain. mean value eggshell temperature found be higher Strain (101...

Journal: :تحقیقات دامپزشکی 0
مجتبی زاغری پردیس کشاورزی و منابع طبیعی دانشگاه تهران شیرین هنربخش پردیس کشاورزی و منابع طبیعی دانشگاه تهران رضا طاهرخانی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

increase in feed intake of broiler breeder hens, results to incidence of metabolic and hormonal changes and finally leads to poor reproductive performance. an experiment was conducted to evaluate responses of feed-satiated and feed-restricted laying breeder hens to daily injection of an acute dose of progesterone (p4). a total of 64 cobb 500 hens were fed either restricted or ad libitum from 27...

Journal: :Poultry science 2012
C Zhu Z Y Jiang S Q Jiang G L Zhou Y C Lin F Chen P Hong

This experiment was carried out to investigate effects of maternal ME and CP levels on growth performance, carcass traits, and meat quality of broiler offspring. A total of 1,134 thirty-week-old Chinese Yellow broiler breeders was randomly assigned to 3 dietary ME levels (11.09, 11.51, and 11.92 MJ/kg) and 3 CP levels (15.5, 16.5, and 17.5%) in a 3×3 factorial arrangement. Each dietary treatmen...

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