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 …

This study was carried out to identify the effect of the egg shape index on the hatchability,
performance, and carcass yield of Japanese quails (Coturnix coturnix Japonica). Eggs were …

The present study was conducted to investigate the effect of hatching egg weight of broiler
parent stocks on hatching results, chick performance, carcass characteristics, internal organ …

In total, 806 eggs of free-range Hassawi indigenous chickens were collected from local farm
in Saudi Arabia. Eggs were weekly collected for 11 weeks. Initial egg weight (IEW) was …

Incubation is an important factor in poultry production, particularly in species with relatively
low fertility and hatchability rates. This study examined the effect of eggshell thickness on …

The objective of the present study was to determine the effect of egg weight on hatchability,
body weight, body weight gain, feed intake, feed efficiency, mortality, hen day egg …

Three hundred and sixty Hubbard broiler eggs were divided into two equal groups. In the
first group, eggs were incubated at 37.5° C for up to 19 d, while those in the second group …

Bu çalışma kınalı kekliklerde yumurta ağırlığının ve kuluçka sırasında oluşan ağırlık kaybının
kuluçka sonuçları ile embriyonik ölümler üzerine etkisini belirlemek amacıyla yapılmıştır …

[Objective] This experiment was conducted to investigate different dietary levels of
metabolizable energy and crude protein on performance of Lingnan Yellow-Feathered …

The current research was conducted to determine the comparison of hatchability and some
egg quality characteristics in spotted and unspotted partridge (Alectoris chukar) eggs. The …