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Serum Enzyme Activity of Newborn Calves, Pigs, and Lambs
Acta Veterinaria Scandinavica volume 11, pages 525–535 (1970)
Summary
Serum activities of aspartate aminotransferase (AspAT = GOT), alanine aminotransferase (AlAT = GPT), and total lactate dehydrogenase (LDH) have been investigated in newborn calves, pigs, and lambs. In the two latter species the LDH isoenzyme distribution in serum was also studied. Blood samples were taken at frequent intervals from birth to 48–72 hrs. post partum.
Calves and pigs were born with very low serum enzyme values, whereas lambs showed a picture more similar to what has been reported in human infants. In all species a marked temporary enzyme increase occurred during the first 24–48 hrs. This elevation was found not to be due to colostrum feeding, since a parallel increase was found in starved animals. Possible regulating mechanisms are discussed.
The LDH isoenzyme pattern proved to be more stable than total LDH in the early post-natal period.
The percentage isoenzyme distribution, however, showed characteristic differences from that found in adult animals of the same species.
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Tollersrud, S., Baustad, B. Serum Enzyme Activity of Newborn Calves, Pigs, and Lambs. Acta Vet Scand 11, 525–535 (1970). https://doi.org/10.1186/BF03547951
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DOI: https://doi.org/10.1186/BF03547951