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A case of hypothermia in turkey-poult embryos in the hatcher is described. Zoohygienic measurements have shown a variability in the basic microclimatic parameters, mainly of temperature, air movement and cooling power. The fact of overheating the embryos during hatching resulted in decreased indices of hatching as well as injury to circulatory and excretory systems of dead embryos. The number of the...
Nine test broods selected from 3 groups of RIR chickens which four weeks before hatching consumed ochratoxin A contaminated feed at doses 0 (control group), 2 ppm and 4 ppm were examined. During a 63-day observation period egg production in birds receiving 2 ppm of ochratoxin decreased egg production by 78.14% and hatching by 51.25%. In dead embryos, losses of body weight, defective positioning and...
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