Buscar
Mostrando ítems 1-10 de 533
Economic traits and performance of Italian quails reared at different cage stocking densities
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2005-03-01)
This study assessed the effect of different cage stocking densities on the performance of Italian quails in the laying period. Two hundred and sixty four quails with 30 weeks of age and 280g mean body weight were used. ...
Economic traits and performance of Italian quails reared at different cage stocking densities
(Fundação APINCO de Ciência e Tecnologia Avícolas, 2005-03-01)
This study assessed the effect of different cage stocking densities on the performance of Italian quails in the laying period. Two hundred and sixty four quails with 30 weeks of age and 280g mean body weight were used. ...
Effects of the density, aviary type, breed, and age on the behaviors of laying hens kept in cages
(2008-12-01)
An experiment was carried out in order to investigate the behaviors of laying hens due to the environmental factors of: density inside of the cage, aviary type, breed, and age. The experiment was configured as a factorial ...
Effects of the density, aviary type, breed, and age on the behaviors of laying hens kept in cages
(2008-12-01)
An experiment was carried out in order to investigate the behaviors of laying hens due to the environmental factors of: density inside of the cage, aviary type, breed, and age. The experiment was configured as a factorial ...
The lack of males due to illegal trapping is causing polygyny in the globally endangered Yellow Cardinal Gubernatrix cristata
(Sociedade Brasileira de Ornitologia, 2019-03)
We present breeding data from the southernmost populations of the globally “Endangered” Yellow Cardinal Gubernatrix cristata in Argentina, confirming the presence of current breeding populations in the region. We monitored ...
Impactos dos sistemas de produção e debicagem na produção e qualidade de ovos de poedeiras
(Universidade Federal de Santa MariaBrasilZootecniaUFSMPrograma de Pós-Graduação em ZootecniaCentro de Ciências Rurais, 2019-03-15)
The production of eggs in conventional cages has been strongly questioned as to the welfare provided to the animals; this system could cause physical discomfort and inhibit the manifestation of natural behaviors. In this ...
Influence of the environment on behavior patterns of laying hens kept in cages
(2008-12-01)
The aim of this paper is to verify the correlation between environmental indicators and behaviors expressed by laying hens kept in cages. The birds react to a severe environment through their behaviors, end the behaviors ...