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Impacts of blood coagulation factor XI deficiency on production of Japanese Black cattle (Division of Science for Bio-Production)

◆Gant-in-Aid for Scientific Research (JSPS)
◆Leader: Prof. KUNIEDA Tetsuo
◆Period: 2011-2013

Blood coagulation factor XI deficiency is a hereditary bleeding disorder reported in Japanese Black cattle breed. Although the bleeding tendency of this disorder is mild, risk for developmental anomalies and reproductive defects have been suggested. If the disorder has negligible effects on production of beef cattle, there should be considerable negative impacts on the beef cattle industry, since allelic frequency of the gene for this disorder is remarkably high in the population of Japanese Black cattle. Therefore, we are investigating the relation of the blood coagulation factor XI deficiency with the reproductive or developmental defects in the cattle population, as well as its effects on the physiological processes involved in reproduction and development to reveal the impact of this disorder on beef cattle production.

Impacts of blood coagulation factor XI deficiency on production of  Japanese Black cattle (Division of Science for Bio-Production)