Results 261 to 270 of about 4,516,633 (288)

Hyperandrogenism in broiler chickens and commercial layers

Veterinary Record, 2008
IT has been observed that an androgenic effect can be induced in broiler chickens by supplementing their diet with finely ground wood shavings from the African tree Funtumia latifolia ([Smith and Wells 1978][1]).
I, Dinev, S, Denev
openaire   +2 more sources

A Vaccine to Prevent Egg Layer Peritonitis in Chickens

Avian Diseases, 2020
A series of studies was undertaken in specific-pathogen-free white leghorn chickens for the development of a chicken model of avian pathogenic Escherichia coli (APEC) peritonitis. Once established, this model was then used to measure the effectiveness of a siderophore receptor and porin proteins (SRP®) APEC vaccine.
Graham J M, Cox, Brieanna, Griffith, Maryke, Reed, Jim D, Sandstrom, Mark P, Peterson, Daryll, Emery, Darren E, Straub   +6 more
openaire   +2 more sources

Spontaneous aortic arteriosclerosis in layer chickens

Journal of Comparative Pathology, 1994
Aortas of 21 grower chickens (both sexes) aged 30-130 days and of 51 layer hens aged 500 days were examined histopathologically. Aortic sclerotic lesions were classified histopathologically into six stages. As early as 30 days, the abdominal aortas of growers had cellular-fibrous plaques that became more severe with advancing age.
S, Orita, T, Masegi, K, Itou, M, Kawada, T, Yanai, K, Ueda   +5 more
openaire   +2 more sources

Effects of Infectious Bursal Disease Virus Infection on Interferon and Antiviral Gene Expression in Layer Chicken Bursa.

Microbial Pathogenesis, 2020
Layer chickens were artificially challenged with the infectious bursal disease virus (IBDV), and the kinetics of IFN-λ and antiviral genes in the bursa were explored using quantitative real-time PCR. Data showed that after the chickens were infected with
Yan Yu, Zhi-yong Xu, Yan Liu, Huan Zhang, C. Ou, Yanhong Zhang, Tingyu Liu, Qiuxia Wang, Jinyou Ma   +8 more
semanticscholar   +1 more source

Sex selection in layer chickens

Animal Production Science, 2017
The ability to detect and remove male chicks pre-hatch would be a big step forward to the egg-laying and related industries. The current practice of culling male chicks post-hatch creates a major ethical dilemma for many countries. Hatching out and growing male layer chicks is not a sustainable option for farmers.
T. J. Doran, K. R. Morris, T. G. Wise, T. E. O’Neil, C. A. Cooper, K. A. Jenkins, M. L. V. Tizard   +6 more
openaire   +1 more source

Outbreak of Comb Necrosis in Layer Breeder Chickens

Avian Diseases, 1997
Comb necrosis with leg weakness was seen in 41-day-old female layer breeder chickens. This disease occurred in three flocks at a breeder farm, but not in other flocks of growing chickens and broiler breeder hens at the same farm. The disease started in 35-day-old chicks in three flocks.
K, Nakamura, J, Shirai, K, Imai, H, Hihara, N, Tanimura   +4 more
openaire   +2 more sources

Angelica sinensis polysaccharides mitigate cadmium-induced apoptosis in layer chicken chondrocytes by inhibiting the JNK signaling pathway.

International Journal of Biological Macromolecules
Cadmium (Cd), a toxic heavy metal pollutant, inflicts widespread damage on various organs and tissues, including cartilage, where it induces chondrocyte apoptosis. Angelica sinensis polysaccharides (ASP), a key active component of the traditional Chinese
Xishuai Tong, Guoshuai Wang, Xinrui Zhao, Jiatao Zhou, Panting Wang, Han Xia, Jianchun Bian, Xuezhong Liu, Yan Yuan, H. Zou, Zongping Liu, Jianhong Gu   +11 more
semanticscholar   +1 more source

Immunomodulation by probiotic lactobacilli in layer- and meat-type chickens

British Poultry Science, 2004
1. The aim of the experiments was to evaluate whether selected probiotic lactobacillus strains have different immunomodulating effects in layer- and meat-type strain chickens. 2. Humoral and cellular specific and non-specific immune responses were studied by experiments on cellular proliferation, entry and survival of Salmonella bacteria in gut and ...
Koenen, M.E., Kramer, J., van der Hulst-van Arkel, M.C., Heres, L., Jeurissen, S.H.M., Boersma, W.J.A.   +5 more
openaire   +3 more sources

Proteomic analysis of chicken eggshell cuticle membrane layer

Analytical and Bioanalytical Chemistry, 2014
The eggshell is a barrier that plays an important role in the defense of the egg against microbial and other infections; it protects the developing bird against unfavorable impacts of the environment and is essential for the reproduction of birds. The avian eggshell is a complex structure that is formed during movement along the oviduct by producing a ...
Ivan, Mikšík, Petr, Ergang, Jiri, Pácha   +2 more
openaire   +2 more sources

Molecular characterization and expression profiling of BMP 3 gene in broiler and layer chicken

Molecular Biology Reports, 2018
D. Divya, T. K. Bhattacharya, Manthani Gnana Prakash, R. Chatterjee, R. Shukla, P. Guru Vishnu, A. Vinoth, K. Dushyanth   +7 more
semanticscholar   +1 more source