Mating behavior in commercial broiler breeders: Female effects
نویسندگان
چکیده
منابع مشابه
Optimizing Reproductive Output From Female Broiler Breeders
taken were body weight gain (BWG), gain to feed ratio (GF) and percent of foot ash (FA) at 4, 8, and 15 d of age. A significant linear response (P<0.05) was observed in growth performance and FA in birds receiving graded levels of PP at all ages, confirming the sensitivity of the procedure. No significant differences were found in FA percent between groups receiving TP or DP at all ages (13.5 v...
متن کاملEffects of environmental temperature and dietary energy on energy partitioning coefficients of female broiler breeders.
With increasing disparity between broiler breeder target weights and broiler growth potential, maintenance energy requirements have become a larger proportion of total broiler breeder energy intake. Because energy is partitioned to growth and egg production at a lower priority than maintenance, accurate prediction of maintenance energy requirements is important for practical broiler breeder fee...
متن کاملEnvironment and Management : Broiler Breeders
The objective of this cooperative research project is to quantify Listeria monocytogenes in ready-to-eat (RTE) uncured and cured poultry, pork and beef products that have been pre-sliced by the manufacturer or sliced upon demand in supermarket delis. This data will expand on a previous study sponsored by the Food Products Association (formerly National Food Processors Association; Gombas et al....
متن کاملPrevalence and Level of Campylobacter in Commercial Broiler Breeders (Parents) and Broilers
Campylobacter is the leading cause of bacteria-induced diarrheal disease, and the major vehicle for transmitting this microorganism to humans is poultry. Recent research has shown that Campylobacter can pass from the breeder hen to her progeny through the fertile egg, which is now considered to be a significant source of entry into the broiler flocks. Because of the importance of the organism i...
متن کاملStruggling behavior in shackled male and female broiler chickens.
Anecdotal evidence suggests that the struggling behavior of shackled broiler chickens may be positively related to compression of the shank and the probable associated discomfort: birds with large shanks tend to struggle more violently than do those with smaller shanks. Males are generally heavier and have thicker shanks than females. Therefore, we tested the hypothesis that, because the leg ga...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Applied Poultry Research
سال: 2010
ISSN: 1056-6171
DOI: 10.3382/japr.2009-00061