The serum biochemistry profiles from 8 cattle that grazed endophyte (Neotyphodium coenophialum)-infected tall fescue (Festuca arundinacea) (E+TF) were compared with those from 8 control cattle that grazed on endophyte-free tall fescue (E-TF). Cattle were bled on 7 dates between April and August 1996 and on 5 dates between May and July 1997. Cattle that grazed E+TF retained rough winter haircoats and had lesser weight gains compared with those grazing E-TF. They had decreased activities of alkaline phosphatase and alanine aminotransferase. Compared with controls, they had lower values for serum prolactin and globulin concentrations. The concentration of creatinine and the albumin/globulin ratio were increased in the cattle grazing E+TF. Isozyme determination of alkaline phosphatase indicated that the decrease in serum activity of cattle grazing E+TF was due to decreases in both intestinal and bone isozymes. Serum protein electrophoresis indicated that the decrease in serum globulin concentration was due to decreases in both α and γ globulin fractions of this protein.
- alanine aminotransferase albumins alkaline phosphatase blood chemistry blood serum coat creatinine endophytes globulins hair prolactin weight gain cattle Festuca arundinacea Neotyphodium Neotyphodium coenophialum alkaline phosphomonoesterase Festuca elatior glutamate pyruvate transaminase glutamic pyruvic transaminase GPT Hyphomycetes lactogenic hormone mammotropin mitosporic fungi Bos Bovidae ruminants Artiodactyla mammals vertebrates Chordata animals ungulates eukaryotes Festuca Poaceae Cyperales monocotyledons angiosperms Spermatophyta plants Neotyphodium Clavicipitaceae Clavicipitales Hypocreales Ascomycotina Eumycota fungi
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