Results 221 to 230 of about 6,664 (264)

In vitro characterization and in ovo embryotoxicity assessment of a triazol-5-one derivative in broiler embryos. [PDF]

Sci Rep
Durna Ö, Ulufer Bulut S, Boy S, Yıldız G, Yüksek H.   +4 more
europepmc   +1 more source

Impact of Eggshell Color Diversity on Hatchability, Translucency, and Quality Traits in Beijing-You Chicken Eggs. [PDF]

Animals (Basel)
Gu H, Yan Z, Zhang B, Chen X, Geng A, Zhang Y, Cao J, Zhang J, Zeng L, Wang Z, Liu H, Chu Q.   +11 more
europepmc   +1 more source

Effects of thymol and eugenol supplementation on reproductive performance, egg quality, and offspring health in broiler breeders. [PDF]

Poult Sci
Sun H, Sun P, Zhang X, Hamada O, Kong L, Song Z.   +5 more
europepmc   +1 more source

Effect of laying time on hatching results and some egg quality characteristics in Caucasian pheasants. [PDF]

Poult Sci
Arslan E, Şamlı MŞ, Tok M, Kırbaş G, Karaman Ö, Kırıkçı K.   +5 more
europepmc   +1 more source

Influence of eggshell ultrastructural organization on hatchability

Poultry Science, 2013
Eggshell quality is associated with hatchability, and ultrastructural organization is an important eggshell quality parameter. To the determine the relationship of shell ultrastructural properties with hatchability, we measured the effect of eggshell thickness, mammillary layer thickness, and the average size of mammillary cones on hatchability.
X Y Zhao, M Bao, C F Li
exaly   +3 more sources

Field Study on Broiler Eggs Hatchability

Poultry Science, 2008
The aim of this research was to explore factors that are related with hatchability in the field. Data from 3 Dutch hatcheries for the years 2004, 2005, and 2006 were analyzed using a random regression model with the method of restricted maximum likelihood. In total, 24,234 batches of 724,750,444 eggs, originating from 511 breeder flocks, were included.
A G J Velthuis, R B M Huirne
exaly   +3 more sources

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Hatchability of Hen Eggs and Lymphomatosis

Nature, 1954
IT is widely accepted that poor hatchability is one of the main causes of financial loss to poultry breeders. Judging from the results regularly reported by many large hatcheries, the national hatching-rate of all eggs set in Great Britain seems to be between 65 and 70 per cent.
R, COLES, F R, UNDERWOOD
openaire   +2 more sources

Schistosoma mansoni: Egg Morphology and Hatchability

The Journal of Parasitology, 1989
Schistosoma mansoni eggs were isolated and staged microscopically according to size. The eggs were then allowed to hatch and were reexamined; the hatching percentage of mature eggs was calculated. The results show clearly that not only do immature eggs not hatch, but also mature eggs greater than 160 microns fail to hatch.
Y Z, Xu, M H, Dresden
openaire   +2 more sources

Effects of ethylnitrosourea on the hatchability and survival of chicks

British Poultry Science, 1981
1. Two experiments were carried out to study the effects of the mutagen ethylnitrosourea (ENU) at concentrations of 1.4 to 3 500 microgram in 0.3 ml of saline (experiment 1) and 585 to 1 170 microgram in 0.1 ml of saline (experiment 2) on hatching eggs of two breeds of fowls.
E, Petrovský, J, Grolmus, J, Kalová, J, Dubovský   +3 more
openaire   +2 more sources