This study was conducted to evaluate the effect of a 12-h light, 12-h dark (12L: 12D)
photoperiod of green light during day 1 to day 18 of incubation time, on embryo growth …

This study was carried out to determine the hatching egg characteristics, embryo
development and yolk absorption during incubation, hatch window, and hatchability of Pekin …

This study was carried out with the aim of determining the effects of breeder age on
incubation results, intestinal development during hatch window, chick quality and first week …

Broiler strain, maternal age, and incubation temperature influence embryo metabolism.
Hatching eggs were obtained from young (Y; 28 to 34 wk, x¯= 31.2 wk), mid (M; 36 to 45 wk …

Light intensity, wavelength, and photoperiod have a combined effect on chicken incubation.
This study was conducted to evaluate the effect of 12-h light, 12-h dark (12L: 12D) …

Materials and Methods: The study used a completely randomized design of six treatments
and seven replications. The treatments were different level of NDV titer infection in allantoic …

Accurate diagnosis of both the stage of embryonic mortality and the hatch process in
incubated eggs is a fundamental component in troubleshooting and hatchery management …

The present investigation was aimed at predicting a still (ie, dead) vs. live embryo within a
hatching goose egg by measuring the eggshell cooling rate. For this, we daily measured the …

Implementing a photoperiod during incubation has been shown to be a potential next step to
removing one more stressor for newly hatched poultry species. The distribution of hatch over …

Newly hatched chicks may be held longer than 48 h and experience long periods of fasting
in commercial hatcheries. Limited information is known about the physiological status of …