Results 21 to 30 of about 6,967,845 (94)
: Eggshell is a crucial indicator of egg quality. Pimpled eggs (PE) a type of eggshell defect are characterized by low eggshell strength, leading to substantial financial losses.
Lina Song +6 more
doaj +1 more source
Molecular and morphological analyses of avian eggshell excavated from a late thirteenth century earth oven [PDF]
Using ancient DNA (aDNA) extracted from eggshell of the extinct moa (Aves: Dinornithiformes) we determined the species composition and number of eggs found in a late thirteenth century earth oven feature at Wairau Bar (South Island, New Zealand) - one of
Holdaway, R.N. +21 more
core +1 more source
Polymorphisms in Ion Transport Genes Are Associated with Eggshell Mechanical Property. [PDF]
Eggshell mechanical property traits such as eggshell breaking strength (ESS), eggshell thickness (EST) and eggshell weight (ESW) are most common and important indexes to evaluate eggshell quality in poultry industry.
Zhongyi Duan +7 more
doaj +1 more source
Eggshell appearance does not signal maternal corticosterone exposure in Japanese quail: an experimental study with brown-spotted eggs [PDF]
Reproduction is a critical period for birds as they have to cope with many stressful events. One consequence of an acute exposure to stress is the release of corticosterone, the avian stress hormone.
Ivan Mikšík (492331) +31 more
core +1 more source
Myostatin Mutation in Japanese Quail Increased Egg Size but Reduced Eggshell Thickness and Strength
Recently developed myostatin (MSTN) mutant quail and chickens demonstrated similar effects of MSTN on muscle and fat developments between avian and mammalian species.
Joonbum Lee +8 more
doaj +1 more source
: This study investigated the effects of dietary chloride (Cl) reduction on laying performance and eggshell quality by substitution of sodium bicarbonate (NaHCO3) or sodium sulfate (Na2SO4) for part of dietary sodium chloride (NaCl), and further explored
Yu Fu +5 more
doaj +1 more source
The Effect of Eggshell Quality on Hatchability of Pure Chicken Breeds
Hatchability is affected by a variety of factors. Eggshell quality plays very important role among these factors. In this work we analysed eggshell quality, hatchability and embryonic mortality of pure chicken breeds New Hampshire, Oravka, Plymouth Rock,
Cyril Hrnčár +2 more
doaj
The effect of breed and age on the gloss of chicken eggshells
The monitoring of eggshell quality is important mainly in terms of production economy. Eggshell appearance is one of the most characteristics, influencing the purchasing behavior of consumers.
Quanlin Li +7 more
doaj +1 more source
Response of three laying hen genotypes to two feed calcium levels
The present study aimed to evaluate the effect of two dietary Ca levels (3.00% vs 3.50%) in three hen genotypes (ISA Brown, Bovans Brown and Moravia BSL) on their laying performance and quality of their eggs.
Mohamed Ketta +2 more
doaj +1 more source
The objective of this study was to evaluate hen performance and eggshell quality response to genotype, housing system, and feed calcium (Ca) level. For this purpose, an experiment was conducted on 360 laying hens of ISA Brown, Bovans Brown (commercial ...
Mohamed Ketta +3 more
doaj +1 more source

