Genomic insights into shank and eggshell color in Italian local chickens [PDF]
: Eggshell and shank color in poultry is an intriguing topic of research due to the roles in selection, breed recognition, and environmental adaptation.
Francesco Perini +4 more
doaj +2 more sources
Genetic evaluation of eggshell color based on additive and dominance models in laying hens [PDF]
Objective Eggshells with a uniform color and intensity are important for egg production because many consumers assess the quality of an egg according to the shell color.
Jun Guo +6 more
doaj +2 more sources
Research note: Comparative estimation of genetic parameters for eggshell pigmentation traits [PDF]
Eggshell color exhibits considerable variation, with the diversity particularly rich in shells where protoporphyrin serves as the primary pigment. The measurement of eggshell color typically employs the Commission International del’Eclairage (CIE) L*a*b*
Runzhe Wang +7 more
doaj +2 more sources
Eggshell color is an important visual characteristic that affects consumer preferences for eggs. Eggshell color, which has moderate to high heritability, can be effectively enhanced through molecular marker selection.
X.G. Wang +7 more
doaj +3 more sources
: The aim of this research was to investigate the effects of laying hen genotype and age on eggshell cuticle deposition. A total of 4,320 brown eggs were obtained from 3 modern hen strains (A, B, and C), currently used worldwide for commercial egg ...
F. Sirri, M. Zampiga, A. Berardinelli
doaj +3 more sources
Evaluating phenotypic correlations between internal and external egg quality indicators of Hy-Line Brown laying hens at 35 weeks of age [PDF]
Increased global production, and consumption of the hen egg; and the popularization of nutritional knowledge, places greater emphasis on egg quality, safety, and freshness.
Elijah Ogola Oketch +6 more
doaj +2 more sources
Genetics and breeding of a black-bone and blue eggshell chicken line. 3. Visual eggshell color and colorimeter parameters in 3 consecutive generations [PDF]
Xuedong Zhang
exaly +2 more sources
Effect of translucency and eggshell color on broiler breeder egg hatchability and hatch chick weight [PDF]
Matthew A Bailey +2 more
exaly +2 more sources
Genetics and breeding of a black-bone and blue eggshell chicken line. 4. Responses to 3 cycles of selection for blue or green eggshell [PDF]
Considerable demand exists for blue and green eggs, especially in Southeast Asia. Although some chicken breeds lay eggs with shell colors ranging from light blue to dark green (olive), genetic lines producing uniform blue eggs or green eggs are preferred
Huanhuan Wang +7 more
doaj +2 more sources
Blue-green eggs exhibit unique shell color; however, compared to commercial layers, blue-green eggshell chickens have lower egg production and lack uniform shell colors.
Huanhuan Wang +6 more
doaj +3 more sources

