Results 71 to 80 of about 100,197 (349)

Laying hen husbandry: group size and use of hen-runs [PDF]

, 2000
With regard to welfare reasons, various label productions limit the number of laying hens allowed per flock.
Hirt, Helen, Hördegen, Philipp, Zeltner, Esther   +2 more
core  

Dual Functions of Dietary Rubber Seed Oil Supplementation: Enriching N‐3 Polyunsaturated Fatty Acids and Enhancing Antioxidant Capacity in Pekin Ducks

Animal Research and One Health, EarlyView.
Dietary RSO supplementation improved growth performance, simultaneously enriched n‐3 polyunsaturated fatty acids (n‐3 PUFA), and enhanced antioxidant capacity in Pekin ducks, which suggested that RSO has the potential to be a novel n‐3 PUFA source and an antioxidant for Pekin ducks to generate animal functional foods.
Lei Zhuang, Yongbao Wu, Zitao Zhao, Junting Cao, Yanhong Guo, Zhanyue Wu, Qimeng Wang, Peilong Yang, Sen Wu, Zhiguo Wen, Shuisheng Hou   +10 more
wiley   +1 more source

Effects of induced molting on lipid accumulation in liver of aged laying hens

Poultry Science
As the age of laying increases, the metabolic capacity of the liver decreases, leading to excessive lipid accumulation, which seriously affects the laying performance of laying hens.
Yibo Lv, Mengqing Sun, Yefei He, Xiaohan Zhang, Yahong Min, Lin Liu, Wenhui Yu   +6 more
doaj   +1 more source

Comparison of two Different Breeding Systems of Laying Hens in Relation to Egg Damage and Dirty

Scientific Papers Animal Science and Biotechnologies, 2023
The aim of work was to follow up and statistically evaluate the damage and dirty eggs and egg weight, depending on two different breeding systems and different ages of laying hens.
Mária Angelovičová, Viera Ševčíková, Ondřej Bučko   +2 more
doaj  

Participatory breeding system for laying hens [PDF]

, 2010
Livestock breeds (and breeding systems) developed for intensive production systems often do not perform as expected in organic and extensive systems.
Leenstra, Ferry
core  

Multi-omics profiling of hepatic macromolecules in laying hens with difference feed intake: Mechanistic insights into antioxidant capacity modulation

Poultry Science
Currently, the cost of poultry feed accounts for more than 70 % of the total cost of poultry production. Therefore, it is crucial to find appropriate strategies to reduce feed cost and improve feed efficiency in livestock genetic improvement programs ...
Zhouyang Gao, Yuchen Jie, Yuhui Qin, Xianli Liu, Chuanwei Zheng, Guoming Ma, Yan Wu, Songchuan Fu, Xiangrui Meng, Guiyun Xu   +9 more
doaj   +1 more source

Occurrence of Salmonella sp in laying hens [PDF]

Revista Brasileira de Ciência Avícola, 2003
This study was carried out to investigate the presence of Salmonella sp in flocks of white laying hens. In different farms, the transport boxes of twelve flocks were inspected at arrival for the presence of Salmonella. Four positive (A, B, L and M) and one negative (I) flocks were monitored at each four weeks using bacteriological examination of cecal ...
Gama, NMSQ, Berchieri Jr, A, Fernandes, SA   +2 more
openaire   +7 more sources

Utrangerte verpehøner: Store forskjeller i utnyttelsen i Norge, Sverige og Danmark [PDF]

, 2015
Spent laying hens are killed in different ways. Whereas in Sweden a large proportion is slaughtered for food purpose, even for export, most hens are slaughtered by a mobile system in Denmark, killing the hens in a mobile gas container and mincing them ...
Løes, Anne-Kristin
core  

Multi‐Omics Insights Into the Role of Fructooligosaccharides Supplementation in Alleviating Salpingitis in Laying Hens

Animal Research and One Health, EarlyView.
Multi‐omics analysis revealed that FOS supplementation increased the abundance of Phascolarctobacterium, GCA‐900066575, Shuttleworthia, Olsenella, Eubacterium_hallii_group while decreasing Alistipes. It also influenced the metabolism of S‐lactoylglutathione, p‐cresol glucuronate, 2‐phenylethanol glucuronide, propionic acid, dulcitol, and inhibited the ...
Dan Song, Tao Duan, Rong Li, Xiaoqiu Wang, Fengdong Zhang, Jia Feng, Lin Qiao, Junlin Cheng, Lixian Chen, Aike Li, Yuna Min, Weiwei Wang   +11 more
wiley   +1 more source

Animal Welfare Certification For Laying Hens: Compliance With The Legal Prohibition Of Mistreatment In Brazil

Derecho Animal, 2019
This article aims to analyze the effectiveness of animal welfare certification for compliance with the legal prohibition of cruelty and mistreatment in the egg industry.
Yuri Fernandes Lima
doaj   +1 more source