2004
DOI: 10.5194/aab-47-431-2004
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Influence of recipient dams of different breeds on performance of Japanese Black calves produced by embryo transfer

Abstract: Abstract. To clarify the effect of breed of recipient dams on the performance of calves produced by embryo transfer(ET), a total of 35 ET-calves were divided into 4 groups by the breed of recipient of Holstein-Friesian dams (HF), crossbred (Holstein×Japanese Black) dams (F1), Japanese Black dams (JB) and also JB dams without colostrum but received an artificial colostrum as a negative control (NC). Twenty calves produced by artificial insemination to JB dams were also provided as a positive control (PC). Calve… Show more

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“…Therefore, dams of dairy breeds may produce colostrum with low concentrations of immune globulin for their offsprings resulting a higher risk for calves with failure of passive transfer (FPT). Calves with FPT have increased risks to the newborns concerning the preweaning morbidity and mortality compared to those with adequate passive transfer (Kurihara et al 2004). In presented study, the mean content of gamma globulins on day 5 of calves' life (Table 5) was low in both groups.…”
Section: Resultsmentioning
confidence: 46%
“…Therefore, dams of dairy breeds may produce colostrum with low concentrations of immune globulin for their offsprings resulting a higher risk for calves with failure of passive transfer (FPT). Calves with FPT have increased risks to the newborns concerning the preweaning morbidity and mortality compared to those with adequate passive transfer (Kurihara et al 2004). In presented study, the mean content of gamma globulins on day 5 of calves' life (Table 5) was low in both groups.…”
Section: Resultsmentioning
confidence: 46%