Detection of Whey Antibodies to Bovine Leukemia Virus using Agar Gel Immunodiffusion test

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  • 乳清を用いた寒天ゲル内沈降反応による牛白血病ウイルス抗体の検出
  • ニュウセイ オ モチイタ カンテン ゲルナイ チンコウ ハンノウ ニヨル ウシ

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Abstract

Colostrum and raw milk from four sero-positive and two sero-negative cows were examined for whey antibody to bovine leukemia virus (BLV) by agar gel immunodiffusion test. Colostrum whey from sero-positive (1: 2-1: 4) cows showed almost similar reaction irrespective of separation methods, while there were some differences between individuals and days after parturition. Raw milk whey from sero-positive cows showed weak-positive reactions after concentration to 5 to 10% in volume. However no clear positive reaction was seen with whey concentrated to 1 to 2% in volume.

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