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Shell gland RNA-seq reveals key genes regulating eggshell quality and potential links between eggshell quality and hatchability across different laying stages [PDF]
Poultry ScienceThe 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 +11 more
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INFLUENCE OF BODY WEIGHT SELECTION FOR GIMMIZAH CHICKENS ON SOME GENETIC PARAMETERS RELATED TO HATCH [PDF]
Egyptian Poultry Science, 2021 The present experiment was carried out for evaluation the influence of body weight selection at 12 –wk of age for Gimmizah chickens on hatching traits besides same genetic and phenotypic parameters related to it.
Nabile Boutrous
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Indian Journal of Animal Sciences, 2023 The present study assessed the effect of genotype, season and period on fertility and hatchability of chicken eggs during five year period (April 2017 to March 2022).
KRISHANENDER DINESH +5 more
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Estimate the contribution of incubation parameters influence egg hatchability using multiple linear regression analysis [PDF]
Veterinary World, 2016 Aim: This research was conducted to determine the most affecting parameters on hatchability of indigenous and improved local chickens’ eggs. Materials and Methods: Five parameters were studied (fertility, early and late embryonic mortalities, shape ...
Mohamed H. Khalil +4 more
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Poultry Science, 2021 : In this study, a data driven approach was used by applying linear regression and machine learning methods to understand animal related and environmental factors affecting hatchability.
I. Bouba +4 more
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Effect of the Line and Age of Female Broiler Breeder on Hatchability Performance of Eggs [PDF]
Brazilian Journal of Poultry Science, 2023 An experiment was conducted to assess how hatchability performance of eggs is affected by line and age of female broiler breeders. Response variables analyzed were hatchability, infertility, pipping (i.e., pipped shell but not emerged), embryonic ...
OFP Rebolledo +5 more
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Study on the Efficient Methods for Chicken Eggshell windowing and the Factors Affecting the Hatchability [PDF]
Brazilian Journal of Poultry Science, 2020 In order to find out the main factors influenced the hatchability and improve the hatchability of the windowed chicken eggs at stage X, several experiments were made on the basis of the former patent of eggshell windowing methods on equatorial plane ...
HF Yan +6 more
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Poultry Science, 2022 : Fertility and hatchability are 2 major parameters that highly influence the reproductive performance of chicken breeds. The objective of this study is to investigate how the genetic background of chickens affects the aspects of fertility, hatchability,
Moataz Fathi +4 more
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Bulletin of the National Research Centre, 2020 Background This study evaluates the effects of storage periods (1, 4, 7, 10, and 13 days), egg size (small 60–64 g, medium 65–69 g, and large ≥ 70 g), and egg positioning with air cell facing either down or up during storage on hatchability percentages ...
Akinlolu Oluwafemi Ayeni +4 more
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If Pre-Storage Heating Improve the Hatchability and Decreased Embryonic Mortality of Broiler Breeder Eggs Stored for Long Period [PDF]
Journal of Animal and Poultry Production, 2017 The experiment was conducted on 1080 fertile eggs (average 62 grams weight) collected from AL-SHROUK breeder farms of 34 weeks old breeding flock. This eggs were randomly divided into 3 groups of 360 eggs according to storage period (7, 14 and 21 days ...
M. Taman, E. Abo Egla, Z. Kalaba
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