Egg storage and breeder age impact on egg quality and embryo development
نویسندگان
چکیده
منابع مشابه
Impact of Egg Storage on Embryo Development
1. New information is introduced and other information reviewed regarding the impact of egg storage on the integrity of the avian embryo. 2. Morphologically, the blastoderm from an egg which has been stored more than 10 days is often asymmetrical and may have an attenuated appearance. 3. Fresh egg breakouts coupled with the perivitelline layer sperm-hole determination procedure provide detailed...
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It is well known that egg storage reduces embryo performance, but the fundamental reasons for reduced embryo quality remain unclear. The objective of this study was to investigate possible cellular and molecular mechanisms that might reduce embryo quality after egg storage. Broiler hatching eggs were obtained from the Ross 308 broiler strain, divided into 2 groups, and stored (4 and 14 d) under...
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Egg storage beyond 7 d is associated with an increase in incubation duration and a decrease in hatchability and chick quality. Negative effects of prolonged egg storage may be caused by changes in the embryo, by changes in egg characteristics, or by both. An adjustment in storage air composition may reduce negative effects of prolonged egg storage because it may prevent changes in the embryo an...
متن کاملProlong Egg Storage Affects Broiler Breeder Embryonic Metabolism and Chick Quality
The research investigates the effects of prolonged storage of hatching eggs on eggshell conductance (G) and embryonic metabolism of Ross 308 broiler breeder eggs. Hatching eggs were collected, weighed and stored for 10 days. After 10 days, a second group of eggs was collected as in the first, weighed and stored for additional 4 days to set up two pre-incubation storage treatments (4 days and 14...
متن کاملEffect of Storage Period and Egg Weight on Embryo Development and Incubation Results
A total number of 300 females and 30 males of two experimental broiler lines, TT (male) and PP (female), with 39 and 36 weeks of age, respectively. Experiment 1 (TT) evaluated the effect of storage time (ST) on hatchability and embryo mortality (EM). Eggs were stored for 2 (ST1), 4 (ST2), 6 (ST3), 8 (ST4), 10 (ST5), 12 (ST6), and 24 (ST7) days and EM was assessed in the periods of 0 to 6 (EM1),...
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ژورنال
عنوان ژورنال: Journal of Animal Physiology and Animal Nutrition
سال: 2019
ISSN: 0931-2439,1439-0396
DOI: 10.1111/jpn.13240