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Eggshell structure,measurements,and quality-affecting factors in laying hens:a review
eggshell composition eggshell quality oviposition time genotype housing system
2016/8/1
Eggshell quality is one of the most significant factors affecting poultry industry; it economically influences egg production and hatchability. Eggshell consists of shell membranes and the true shell ...
Effect of genotype, age of hens and K/k allele on eggshell quality
hens laying type age genotype K/k allele eggshell quality
2015/6/9
We assessed the influence of the particular genotype, age of layers, feather growth-rate gene, and their mutual interactions on selected indicators of eggshell quality in six groups of hens of the lay...
The effects of diet supplemented with sodium bicarbonate upon blood pH, blood gases and eggshell quality in laying geese
feeding bicarbonate blood laying period goose
2015/2/5
The effects of diet supplemented with sodium bicarbonate (NaHCO3) upon blood pH, blood gases and eggshell quality during the laying cycle in geese were investigated. Fourteen geese aged 2 yr old were ...
The Effects of Intrauterine Injection with Prostaglandin F2α,Arachidonic Acid and Phosphate Solution on the Eggshell Formation of Japanese Quail Hen
eggshell formation prostaglandin arachidonic acid phosphate quail
2009/7/31
Inhibitory effects of prostaglandin F2α, arachidonic acid and phosphate solution on the eggshell formation were investigated in Japanese quail. All injections were performed intrauterinely 8h before t...
Changes in Calcium, Magnesium and Phosphorus Contents of Eggshell during Stay in Oviduct Uterus in the Guineafowl and the Chicken
guineafowl chicken eggshell shell calcium shell magnesium shell phosphorus
2009/7/31
The amount of calcium, magnesium and phosphorus in the shell portion (shell with shell membrane) of eggs of guineafowl and chicken at various times during the stay in the uterus was measured by an ato...