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pro vyhledávání: '"G L, Micheo"'
Autor:
R C, Bellinzoni, J, Blackhall, H R, Terzolo, A R, Moreira, N, Auza, N, Mattion, G L, Micheo, J L, La Torre, E A, Scodeller
Publikováno v:
Revista Argentina de microbiologia. 22(3)
Rotavirus, Cryptosporidium sp, and Salmonella spp. were investigated in the faeces of 452 diarrhoeic calves from 36 beef and 33 dairy herds. Animals surveyed were from a few days of age up to approximately 1 month of life. Enterotoxigenic Escherichia
Publikováno v:
Zentralblatt fur Veterinarmedizin. Reihe A. 33(10)
Summary Six rumen-fistulated steers were fasted for 0, 15 and 24 hours. Rumen contents were sampled and nylon bags containing fresh white clover leaflets were placed in the rumen of each animal. The steers were then allowed to graze a potentially blo