Guidelines to correct incubation programs

Every hatchery complex operates in a specific situation, which differs from any other. So, its incubation programs must be specific as well, in order to correspond to local conditions.

The effect of nutrient profiles in egg yolk on embryonic survival ability in laying...

About 8% of chicken embryos die before hatching each year; the value is much higher in turkeys. Embryonic viability is influenced by a series...

Neural regulation of broodiness in turkeys

Egg production in turkeys is regulated by photoperiod. Long days stimulate egg production, followed by broodiness and a photorefractory stage in which long days...

The effect of hen age, storage period and temperature on egg quality in layer...

Extensive research has investigated the effects of production systems on egg quality; however, confounding problems exist with many of the experimental designs. Insufficient consideration...

Eggshell mottling, does it affect incubation results?

Candling eggs not only provides information on whether there is an embryo inside and on incubation in general; it is also a way to...

Establishing true fertility in hatching eggs

If it comes to discussions on fertility two different definitions are practiced. A true fertile egg contains a well-developed germinal disc (blastoderm). This indicates...

Effect of endogenous retroviral elements on egg size in commercial egg production lines

The genome of the chicken contains endogenous viral (ev) elements that are closely related to the Avian Leukosis Virus (ALV) retrovirus and can affect...

Using egg breakouts to improve hatch and poult quality

Egg breakout or hatch residue analysis is one of the most powerful diagnostic tools in a hatchery. Breakouts can be used to aid troubleshooting,...

Too many clears? Break-out analysis needed!

Gerd de Lange, Senior Poultry Specialist, Pas Reform AcademyA hatchery’s objective is to hatch a chick from every egg that is set. However, losses...

Egg cholesterol content is correlated with serum low density lipoprotein

Cholesterol content in egg yolk could influence embryo development. To screen proper index for cholesterol selection, at 42 wks of age, 331 female Wenchang...

How eggs can provide sustainable nutrition to fight world hunger

In a world where so many people, especially children, go hungry and suffer from malnutrition, we have good evidence to show that eggs can...

What’s the best sample size for egg break-out?

Egg break-outs are often part of the routine of a hatchery. As the procedure for these is time consuming, the findings are usually based...

Egg industry’s commitment to UN’s Sustainable Development Goals

The World Egg Organisation (WEO) announced the global egg industry’s pledge to work in partnership with the United Nations, to fulfil its Sustainable Development...

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