Plasma insulin, metabolite concentrations, and carcass characteristics of Japanese Black, Japanese Brown, and Holstein steers.

@article{Matsuzaki1997PlasmaIM,
  title={Plasma insulin, metabolite concentrations, and carcass characteristics of Japanese Black, Japanese Brown, and Holstein steers.},
  author={Masatoshi Matsuzaki and Shyou Takizawa and Mitsuya Ogawa},
  journal={Journal of animal science},
  year={1997},
  volume={75 12},
  pages={
          3287-93
        }
}
To characterize some of the physiological features of Japanese beef breeds, plasma concentrations of insulin and metabolites and carcass composition were measured in five Japanese Black, five Japanese Brown, and four Holstein steers (6.2 mo; 164 kg). The steers were raised under typical feeding conditions in Japan until they were slaughtered at 600 to 700 kg BW. Blood samples were collected at 8 mo of age (average BW, 194 kg) and at 300, 400, 500, and 600 kg BW. Plasma insulin concentrations… 
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