Differences between Angus and Holstein cattle in the Lupinus leucophyllus induced inhibition of fetal activity
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- 作者：Benedict T. Green ; Ben.Green@ars.usda.gov" class="auth_mail" title="E-mail the corresponding author ; Kip E. Panter ; Stephen T. Lee ; Kevin D. Welch ; James A. Pfister ; Dale R. Gardner ; Bryan L. Stegelmeier ; T. Zane Davis
- 关键词：Lupine ; Cattle ; Fetal activity ; Crooked calf syndrome ; Ultrasound
- 刊名：Toxicon
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：106
- 期：Complete
- 页码：1-6
- 全文大小：516 K
文摘
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Pregnant Angus and Holstein heifers were orally dosed with 1.1 g/kg dried ground Lupinus leucophyllus.
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Fetal activity was monitored via transrectal ultrasonography and maternal serum was analyzed for the lupine alkaloids.
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There were significantly more fetal movements in Holstein heifers at eight and 12 h after oral dosing.
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Holstein heifers had significantly lower serum concentrations of anagyrine at 2, 4, and 8 h after oral dosing.
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Holstein heifers had significantly greater serum concentrations of lupanine at 12, 18 and 24 h after dosing.