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Interaction between oviposition time, age, and environmental temperature and egg quality traits in laying hens and broiler breeders
hen production type age temperature oviposition
2015/6/23
An experiment with laying hens and broiler breeders of two ages (young 22 vs. 36 weeks, old
83 vs. 64 weeks) and at temperatures of 20 and 28°C was carried out to evaluate the interactions between
...
Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets
feed intake eggshell quality pH
2015/6/23
Two hundred and forty hens (ISA Brown) were housed in enriched cages and fed a wheat-maize-based
diet. A significant effect of both NPP and F was found for the yolk colour (P = 0.016) and shell thic...
Diagnostic testing of different stages of avian tuberculosis in naturally infected hens (Gallus domesticus) by the tuberculin skin and rapid agglutination tests, faecal and egg examinations
avian mycobacteriosis IS901 PCR
2015/3/17
Avian tuberculosis (ATBC) is a significant cause of morbidity and mortality in birds in zoos and
breeding establishments. The primary sources of Mycobacterium avium subsp. avium (MAA) of serotypes 1...