Egg yield curve may never return to normal.

Government vets were called in following a significant drop in egg yield on Tuesday night.

Other well known symptoms are In layers reduced egg yield and, in case of chicks, reduced hatchability, together with cage layer fatigue syndrome.

An event portrait of the spawning period for muskellunge is provided, whereby arrival of adults to a spawning site, egg yield, and hatching success agree with the fractional spawner concept.

As with other marine batch spawners, the timing of egg stripping with respect to the timing of ovulation can significantly impact egg yield, fertilization rate, and hatching rate.

"If clinicians use AMH or AFC to estimate the egg yield, they can then use our nomogram to convert this estimated number of eggs into a predicted live birth rate, thus completing the prognostic chain to estimate the chances of what both they and the women want: a live born baby," he said.

Breeders worldwide have been increasing laying performance at the rate of three extra eggs per hen per year.

If the hypothalamus and/or ovary are less responsive to hormonal signaling in older birds, perhaps laying performance would be enhanced by increasing daylength or light intensity, in combination with increasing feed.

Studies, done by M.F. Ribeiro and colleagues, have explored whether miniature queens have any adaptive significance by comparing the percentage of virgin and mating queens that were miniature versus normal and their egg laying performance.

It created the Vineland International Egg Laying and Breeding Contest in 1916.

Olfactory Preference for Egg Laying on Citrus Substrates in Drosophila.