Changes in some blood constituents of Barki ewes during pregnancy and lactation under semi arid conditions

Small Ruminant Research : the Journal of the International Goat Association
M M.A. El-Sherif, F Assad

Abstract

A study based on 12 pregnant and six dry Barki ewes was carried out to examine the changes in blood constituents during pregnancy and lactation periods. The blood parameters were blood hemoglobin, packed cell volume percent (PCV%), mean corpuscular hemoglobin concentration (MCHC), glucose, aspartate aminotransaminase (AST or GOT), alanine aminotransaminase (ALT or GPT), total plasma protein, albumin, globulin, albumin to globulin ratio (A/G), urea and creatinine. During pregnancy all these parameters started to increase significantly, but in different stages, reaching maximum values at parturition. In contrast, dry ewes showed almost stable values during the experimental period. From 10th week to parturition, PCV% and MCHC increased (P<0.01) in pregnant ewes, which resulted in increased (P<0.01) blood hemoglobin. Blood glucose increased from the 4th week of pregnancy to reach its maximum at parturition (60.15-90.08mg/dl). The two transaminases increased significantly from the 2nd week (52.23-65.02IU for AST and 8.02-15.12IU for ALT). Plasma protein with its two components, albumin and globulin, increased significantly at the 6th week, but dropped throughout the 16-18th week of pregnancy. Urea and creatinine began to increase si...Continue Reading

References

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Citations

Sep 5, 2002·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Georg H EngelhardPeter J H Reijnders
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