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 کاملThe Hatching of Eggs of the Southern Buffalo Gnat.
In the spring of 1927 and in other years since that time considerable numbers of farm animals, chiefly mules, have been killed in the lower Mississippi Valley by outbreaks of the Southern Buffalo Gnat. In Former times this insect caused enormous losses for livestock in this region, but for some forty years prior to the present series of outbreaks, little was recorded concerning its depredations...
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 کاملEffect of Egg Weight on Egg Traits and Hatching Performance of Turkey (Meleagris gallopavo) Eggs
The study was conducted to determine the effects of turkey (Meleagris gallopavo)egg weight on certain egg traits and hatching performance. A total of 178 turkey eggs comprising of three different egg weight groups below 60 g (G I), 61 to 69 g (G II) and above 70 g (G III) were used for this study. Average egg weight (g), egg length (cm), egg breadth (cm) and egg volume (cm3) values increased wi...
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ژورنال
عنوان ژورنال: Nature
سال: 1899
ISSN: 0028-0836,1476-4687
DOI: 10.1038/059340c0