Research Note: Changes in eggshell quality and microstructure related to hen age during a production cycle
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DOI: 10.1016/j.psj.2021.101287
Abstract: We have studied in detail the changes that occur in eggshell structure and composition during a production cycle in order to better understand the deterioration of eggshell quality with hen age (at 33, 45, and… read more here.
Keywords: quality; changes eggshell; production cycle; hen age ... See more keywords
Antimicrobial defenses of table eggs: Importance of antibacterial proteins in egg white as a function of hen age in an extended production cycle.
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DOI: 10.2139/ssrn.4084310
Abstract: The importance of egg natural defences to prevent bacterial contamination and their relation with hen age in extended production cycles were evaluated. Egg-white from eggs of different hen age groups (up 100-weeks-old) and lines (Hy-Line… read more here.
Keywords: bacterial contamination; egg white; age extended; age ... See more keywords
The effect of maternal canthaxanthin supplementation and hen age on breeder performance, early chick traits, and indices of innate immune function
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DOI: 10.3382/ps/pew293
Abstract: &NA; Hen age and nutrition influence chick innate immunity. The immunomodulatory antioxidant carotenoid canthaxanthin is transferred from the hen diet to the egg. Antioxidants could protect the chick from bactericidal oxidative species produced by the… read more here.
Keywords: chick; capacity; age; hen age ... See more keywords
The effects of hen's age and egg storage time on the frequency of occurrence of physical defects in turkey poults.
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DOI: 10.3382/ps/pez481
Abstract: The aim of this study was to determine the effect of the interaction between hen's age and egg storage time on the frequency of occurrence and type of physical defects in turkey poults. The experimental… read more here.
Keywords: egg; hen age; time; egg storage ... See more keywords