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Research progress on bird eggshell quality defects: a review [PDF]

Poultry Science, 2023
: The eggshell quality declined with extending of chicken laying cycles. Eggshell quality is a crucial feature that not only affects consumer preference, but also influences producers’ economic profitability.
Xue Cheng, Zhonghua Ning
doaj   +4 more sources

Scanning electron microscope-based evaluation of eggshell quality [PDF]

Poultry Science
: The eggshell is the outermost covering of an egg that provides physical and chemical protection. It is a major source of calcium and minerals for the growing embryo during incubation.
Prem Lal Mahato, Tina Weatherby, Kristen Ewell, Rajesh Jha, Birendra Mishra   +4 more
doaj   +4 more sources

Is the Eggshell Quality Influenced by the Egg Weight or the Breeder Age? [PDF]

Brazilian Journal of Poultry Science, 2019
For a long time, it has been said that eggshell quality decreases as eggs increase in size, but this increase is seen as the breeder age advances. Therefore, the present study aimed to evaluate the age and egg weight effect on Cobb 500 broiler breeders ...
FSG Crosara, VJ Pereira, CG Lellis, KC Barra, SKA Santos, LCGM Souza, TA Morais, FH Litz, VA Limão, PFS Braga, EA Fernandes   +10 more
doaj   +2 more sources

Shell gland RNA-seq reveals key genes regulating eggshell quality and potential links between eggshell quality and hatchability across different laying stages

Poultry Science
The quality of hatching eggs and their hatchability are key factors affecting the production efficiency of breeding flocks. The quality of hatching eggs is commonly graded directly based on the eggshell quality.
Chenxi Zhang, Ranran Cao, Siqin Wei, Shu Wang, Zhao Cai, Junlai Shi, Yanru Lei, Kejun Wang, Yadong Tian, Guirong Sun, Xiangtao Kang, Wenting Li   +11 more
doaj   +2 more sources

Evaluating the effects of a 4°C storage temperature on the eggshell quality of Hyline W-36 layers [PDF]

Poultry Science
In the United States, eggs from commercial table layers must be stored at a temperature no greater than 7°C after being packaged for consumer consumption.
Cassidy A Morris, Leticia Orellana, Charis Waters, Pratima Adhikari, Kenneth Macklin   +4 more
doaj   +2 more sources

Polymorphism of the SCNN1g Gene and its Association with Eggshell Quality [PDF]

Poultry Science Journal, 2017
Eggshell quality is the main trait to assess egg quality. Marker assisted selection can be used to improve this trait. During eggshell formation, a mass of inorganic minerals is deposited. The Sodium Channel (SCNN1) gene family plays an essential role in
Kheirkhah Z, Hassani S, Zerehdaran S, Ahani Azari M, Sekhavati MH, Salehinasab M   +5 more
doaj   +2 more sources

Probiotics improve eggshell quality via regulating microbial composition in the uterine and cecum. [PDF]

Poult Sci
Lu Y, Xu H, Hu Z, Li D, Rustempasic A, Zhou Y, Deng Q, Pu J, Zhao X, Zhang Y, Liu Y, Wang Y.   +11 more
europepmc   +2 more sources

The reasons for the deterioration of chicken eggshell quality at high temperatures: a review [PDF]

E3S Web of Conferences, 2021
In hot-climate regions high ambient temperature is one of the main problems of poultry farming. It is a reason for large financial losses caused by a significant decrease in the livability and productivity of poultry and the quality of products.
Kavtarashvili Alexey, Buyarov Viktor
doaj   +1 more source

Uterine Metabolomic Analysis for the Regulation of Eggshell Calcification in Chickens

Metabolites, 2021
Eggshell quality is economically important for table eggs and functionally indispensable for hatching eggs. During the formation of eggshell in the uterus, organic matrixes in uterine fluid can control and modify the formation of calcified eggshell.
Xiqiong Wang, Ping Zhu, Zhihua Sun, Junnan Zhang, Congjiao Sun   +4 more
doaj   +1 more source

Relationship between Bone Quality, Egg Production and Eggshell Quality in Laying Hens at the End of an Extended Production Cycle (105 Weeks)

Animals, 2021
(1) Background: Nowadays the industry aims to improve lay persistency for extended cycles (100 weeks or longer) to make egg production more sustainable.
Clara Alfonso-Carrillo, Cristina Benavides-Reyes, Jon de los Mozos, Nazaret Dominguez-Gasca, Estefanía Sanchez-Rodríguez, Ana Isabel Garcia-Ruiz, Alejandro B. Rodriguez-Navarro   +6 more
doaj   +1 more source