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...

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...

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...

DHA enriched eggs using microalgae in layer diets

Functional foods have become a hot topic in the food industry due to the push for healthier food products on supermarket shelves. According to...

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...

Effects of different conditions of storage on egg components and blastodermal quality and high...

Egg quality is a general term that relates to various standards that are imposed on eggs. This quality usually embraces a range of quality...

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.

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...

Survey of egg quality in commercially available table eggs

Increase demand in consumer choice and request for egg quality has resulted in a wide variety of egg selection available in the retail marketSpecialty...

Breakthrough: stopping chick culling together!

In Germany alone, around 45 million male chicks from laying hen breeds are killed every year. Male chicks of these breeds do not lay...

Body weight at point of lay and the ultra-structural properties of eggshells

Ultra-structural studies have demonstrated that the eggshell is comprised of morphological distinct calcified layers with the mammillary layer being the “foundation” of the eggshell. Studies...

Embryonic restoration during prolonged storage

Focus on benefits of heat treatment to reduce embryonic mortality caused by prolonged storage in avian species. Current technology allows being more accurate and the process with consistent results irrespective of egg age, breed, size, egg weight or storage time of the loaded eggs.

About the U.S. Egg Industry

United States table egg production totalled 7.55 billion during April 2017.1 Table egg flock size on May 1, 2017, was 313 million layers. Rate of...

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