Effects of pre-calving amino acid and fatty acid supplementation on blood profiles of Japanese Black cows and their newborn calves

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  • Takahashi H.
    Central Veterinary Medical Center, Miyagi Prefecture Agricultural Mutual Aid Association
  • Okada T.
    ASKA Animal Health Co., Ltd.
  • Sato M.
    Livestock Medicine Training Center, Miyagi Prefecture Agricultural Mutual Aid Association
  • Matsuda K.
    Livestock Medicine Training Center, Miyagi Prefecture Agricultural Mutual Aid Association

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Other Title
  • 黒毛和種牛に対する分娩前アミノ酸含有脂肪酸飼料給与が 血液性状および出生子牛に及ぼす影響
  • クロゲワシュギュウ ニ タイスル ブンベン ゼン アミノサン ガンユウ シボウサン シリョウ キュウヨ ガ ケツエキ セイジョウ オヨビ シュッショウ コウシ ニ オヨボス エイキョウ

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Abstract

<p>A feed supplement containing amino acids and fatty acids was fed to Japanese Black cattle before calving, and its effects on blood profiles of the dams and their newborn calves were investigated. The study included 24 cows and their calves in three farms. Cows were divided into two groups: 11 cows that were fed a standard gestation diet（Group 1）and 13 cows that were fed 50 g/day of a fatty acid supplement fortified with amino acids（BestBalance U）in addition to the standard gestation diet for 60 days before calving and on the day of calving（Group 2）. Blood samples were collected from these cows at 10 and 40 days before the estimated calving date and after calving for biochemical analysis. Blood samples were also collected from calves at 24 and 48 hours and 1 week after birth, and their heart girth was measured at 24 hours after birth. Plasma total protein, total cholesterol, non-esterified fatty acids and the estrone sulfate concentration of Group 2 cows were significantly higher than those of Group 1 cows at 10 and 40 days before the estimated calving date and after calving. The plasma albumin of Group 2 calves was significantly higher than that of Group 1 calves at 24 and 48 hours and 1 week after birth. The mean heart girth of Group 2 calves was significantly greater than that of Group 1 calves at 24 hours after birth. These results suggest that supplementation of amino acids and fatty acids before calving is beneficial for the development of calves.</p>

Journal

  • Japanese Journal of Large Animal Clinics

    Japanese Journal of Large Animal Clinics 11 (5), 190-197, 2020-12-31

    Japanese Society of Large Animal Clinics / Large Animal Clinic Research Association / Kyushu-Okinawa Society for Large Animal Medicine

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