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pro vyhledávání: '"N K, McDougald"'
Autor:
E R, Atwill, E, Johnson, D J, Klingborg, G M, Veserat, G, Markegard, W A, Jensen, D W, Pratt, R E, Delmas, H A, George, L C, Forero, R L, Philips, S J, Barry, N K, McDougald, R R, Gildersleeve, W E, Frost
Publikováno v:
American journal of veterinary research. 60(4)
To evaluate fecal shedding of Cryptosporidium parvum from California cow-calf herds with respect to age, geographic region, temporal effects, and association with watery feces.Cows and calves from 38 beef cow-calf operations.Fecal specimens were coll