منابع مشابه
Hatching Eggs & Other 64
s of papers 17 a significant improvement in growth, feed efficiency, or mortality under conditions of this trial.
متن کاملSanitary Management of the Hatching Eggs
Unquestionably, the sanitary quality of the hatching eggs will affect the quality of the day-old chicks. The egg leaves the oviduct free of any microorganisms (except for vertically-transmitted pathologies), but even eggs which are laid « clean » present a wide diversity of bacteria on the shell. Furthermore, after being laid, the egg’s temperature drops (from 41 to 21°C), which causes embryoni...
متن کاملBactericidal Treatment of Hatching Eggs Iv. Hydrogen Peroxide Applied with Vacuum and a Surfactant to Eliminate Salmonella from Hatching Eggs
Bacteria (including salmonellae) can be pulled into and through the shell and membrane of broiler hatching eggs as they cool. When this occurs, salmonellae are out of reach of a surfaceapplied chemical treatment, because direct contact is usually required to achieve a kill. Over many years of research, a large number of disinfectant chemicals have been tested on hatching eggs. We have found H2O...
متن کاملAlbumen height and yolk and embryo compositions in broiler hatching eggs during incubation.
The relationship of albumen height (AH) to the compositions of yolks and embryos in hatching eggs from a young (30 wk of age) broiler breeder flock was evaluated during incubation. On Day 2 of incubation, egg weight, yolk weight, and yolk moisture, lipid, and fatty acid contents were determined in eggs from broiler breeders previously identified as laying eggs of either low or high AH. In addit...
متن کاملHatching of cladoceran resting eggs: temperature and photoperiod
JOCHEN VANDEKERKHOVE,* STEVEN DECLERCK,* LUC BRENDONCK,* JOSÉ MARIA CONDE-PORCUNA, † ERIK JEPPESEN ‡, § AND LUC DE MEESTER* *Laboratory of Aquatic Ecology, Katholieke Universiteit Leuven, Ch. de Bériotstraat, Leuven, Belgium Instituto del Agua, Universidad de Granada, Ramón y Cajal 4 (edif. Fray Luis de Granada), Granada, Spain Department of Freshwater Ecology, The National Environmental Resear...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1945
ISSN: 0032-5791
DOI: 10.3382/ps.0240434