Zobrazeno 1 - 10
of 1 142
pro vyhledávání: '"eggshell-quality"'
Autor:
Mingkun Gao, Youying Chen, Xiaomin Li, Dongli Li, Aiqiao Liu, Lu Gong, Zhonghua Ning, Wei Nie, Yuming Guo, Zengpeng Lv
Publikováno v:
Animal Nutrition, Vol 19, Iss , Pp 56-69 (2024)
This study aimed to compare the effects of dietary methionine (Met) and 2-hydroxy-4-(methylthio)-butanoate (HMTBA) on the eggshell quality of broiler breeder hens and elucidate the mechanism of Met in improving eggshell quality from the perspectives
Externí odkaz:
https://doaj.org/article/0e7cafe4350841948d52c3daf590ab82
Autor:
Yu Fu, Jianmin Zhou, Martine Schroyen, Jing Lin, Haijun Zhang, Shugeng Wu, Guanghai Qi, Jing Wang
Publikováno v:
Animal Nutrition, Vol 18, Iss , Pp 340-355 (2024)
This study was aimed to investigate the effects of dietary calcitriol or quercetin supplementation on eggshell and bone quality of laying hens. In trial 1, 72 Hy-Line Brown layers (80-week-old) with weak-shelled strength (25 to 30 N) were assigned in
Externí odkaz:
https://doaj.org/article/67cf6892834d485f939414be3eac1258
Autor:
Jiaming Jin, Quanlin Li, Qianqian Zhou, Xiaochang Li, Fangren Lan, Chaoliang Wen, Guiqin Wu, Guangqi Li, Yiyuan Yan, Ning Yang, Congjiao Sun
Publikováno v:
Poultry Science, Vol 103, Iss 10, Pp 104073- (2024)
ABSTRACT: Eggshell is predominantly composed of calcium carbonate, making up about 95% of its composition. Eggshell quality is closely related to the amount of calcium deposition in the shell, which requires chickens to maintain a robust state of cal
Externí odkaz:
https://doaj.org/article/90106ec5561745bab0e456701c9ea6be
Autor:
Cassidy A. Morris, Duarte Neves, Michael Carroll, Jonathan Moon, Leticia Orellana, Raquel Burin, Colwayne Morris, Austin Jasek, Kenneth S. Macklin
Publikováno v:
Poultry Science, Vol 104, Iss 1, Pp 104400- (2025)
ABSTRACT: The broiler breeder industry is facing a problem with fertility, hatchability, and the number of broiler breeder eggs produced per hen. The supplementation of trace minerals such as zinc, manganese, and copper in broiler breeder diets has b
Externí odkaz:
https://doaj.org/article/667aa311fb554850b08a16d6bdaae040
Publikováno v:
Poultry Science, Vol 104, Iss 1, Pp 104575- (2025)
Mineral-based pecking stones (PS) are edible enrichments for poultry that comprise a high proportion of calcium. We aimed to determine whether laying hens prefer a Soft (easier to ingest) versus a Hard mineral-based PS with the same calcium content,
Externí odkaz:
https://doaj.org/article/345f7daedad54ffeb896c6110ebed649
Publikováno v:
Poultry Science, Vol 104, Iss 1, Pp 104469- (2025)
This study aimed to determine the effects of feeding patterns and dietary available phosphorus levels on laying performance, eggshell quality, calcium, and phosphorus metabolism in aged laying hens. The experiment followed a 3 × 2 factorial arrangem
Externí odkaz:
https://doaj.org/article/56a777a9bf3746079ca2a35c5147b6c0
Autor:
Ying Wang, Yanhua Huang, Panhong Zhou, Shengtao Lu, Jiale Lin, Guanglin Wen, Xiaoli Shi, Yuming Guo
Publikováno v:
Poultry Science, Vol 103, Iss 9, Pp 103982- (2024)
ABSTRACT: This study was conducted to determine the influence of dietary glucosamine sulfate sodium (GSS) on laying performance, blood profiles, eggshell and inner quality of eggs and relative expression of the genes related to eggshell in laying hen
Externí odkaz:
https://doaj.org/article/8f171333ded244b5a8e29bb5eed736f4
Publikováno v:
Journal of Animal Science and Biotechnology, Vol 15, Iss 1, Pp 1-20 (2024)
Abstract Background Deteriorations in eggshell and bone quality are major challenges in aged laying hens. This study compared the differences of eggshell quality, bone parameters and their correlations as well as uterine physiological characteristics
Externí odkaz:
https://doaj.org/article/cfdc3a9cfc3e4c4092c95ab019eb0df2
Autor:
Wenqiang Li, Zhi Cao, Fei Xu, Xuguang Zhang, Yifei Sun, Zhongbiao Xie, Chao Ning, Qin Zhang, Dan Wang, Hui Tang
Publikováno v:
Poultry Science, Vol 103, Iss 6, Pp 103715- (2024)
ABSTRACT: Eggshell is one of the most important indicators of egg quality, and due to low shell strength, pimple eggs (PE) are more susceptible to breakage, thus causing huge economic losses to the egg industry. At the current time, the molecular mec
Externí odkaz:
https://doaj.org/article/62b9973b7b6b470faa90674976c2427a
Autor:
M.B. Fathi, Z. Taghizadeh RahmatAbadi
Publikováno v:
Journal of Photochemistry and Photobiology, Vol 21, Iss , Pp 100235- (2024)
The structure and quality of eggshells (ES) vary around a mean value depending on different items, and these variations are important in their many industrial and technological applications as will be mentioned (vide infra). Five commercial egg brand
Externí odkaz:
https://doaj.org/article/3b2b17fc9a32405095d244d7c2880aaf