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Ancient ostrich eggshell reveals new evidence of extreme climate change thousands of years ago
extreme climate change ancient ostrich eggshell isotope amino acid evolution of species
2021/8/4
Evidence from an ancient eggshell has revealed important new information about the extreme climate change faced by human early ancestors.
Genetic differences in eggshell ultrastructural properties of Saudi native chicken breeds kept at high ambient temperatures
eggshell strength egg quality mammilliary layer total score
2018/11/23
Egg quality and eggshell ultrastructural properties of four Saudi native chicken breeds were compared to detect genetic differences. A total of 480 laying hens at 28 weeks of age, representing four Sa...
Effect of Housing System and Age of Laying Hens on Eggshell Quality, Microbial Contamination, and Penetration of Microorganisms into Eggs
antimicrobial effect gastrointestinal tract pathogens palm oil lauric acid capric acid
2018/3/5
Increasing antibiotic resistance has led to a ban on antibiotic use in feed additives in the EU. Therefore, new
non-antibiotic, pathogen-inhibiting agents are urgently needed. Inhibitory effects of e...
Prediction of Eggshell Ultrastructure via Some Non-destructive and Destructive Measurements in Fayoumi Breed
Non-destructive and Destructive Measurements Prediction Equations Fayoumi Breed
2016/5/18
Possibilities of predicting eggshell ultrastructure from direct non-destructive and destructive measurements were examined using 120 Fayoumi eggs collected from the flock at 45 weeks of age. The non-d...
Eggshell of extinct giant bird unlocks key to ancient DNA（图）
Eggshell of extinct giant bird ancient DNA
2010/3/24
Ancient DNA from the fossil eggshell remains of the extinct elephant bird, has been successfully extracted thanks to help from a University of Sheffield expert - marking a world-first for archaeology ...
Effects of Egg Size and Eggshell Conductance on Hatchability Traits of Meat and Layer Breeder Flocks
Eggshell Egg Size Per Cent Hatchability Breeder Flocks
2016/4/8
Eggs obtained from 46 and 42 weeks old meat (Hybro) and layer (Leghorn) breeders flocks, respectively were used to examine the effects of genetic type of birds and egg size (small, medium and large) o...