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A study of some biochemical variables for different stages of pregnancy and lactation in cows | ||
| Al-Anbar Journal of Veterinary Sciences | ||
| Article 1, Volume 7, Issue 1, 2014, Pages 1-5 PDF (316.02 K) | ||
| Author | ||
| N. K. Zidan | ||
| Abstract | ||
| The present study was undertaken to evaluate the effects of change in stage of pregnancy and lactation on blood metabolites and ions in cows. The animals (n = 38) were divided into three groups: the first group included lactating cows (n=12); the second group included pregnant cows (n =11); the third group included control cows (not pregnant and not lactating) (n=15). Serum samples were obtained and analyzed for glucose, urea, triglyceride and cholesterol and measured electrolytes were sodium, potassium, calcium and magnesium. Serum Ca++ and Mg++ concentration were determined by using commercial kits with spectrophotometer. Sodium (Na+) and potassium (K+) values were obtained with the use of a flame photometer. The results presented showed the least of glucose level in lactating and pregnant cows compared with control cows. Cholesterol level recorded higher level in pregnant and intermediary in lactating cows, while triglyceride level has Suffered a decline lower than control stage. The urea concentration did not differ significantly between the three stages. Serum calcium was lower in lactating and pregnant cows compared with control cow. The magnesium level did not differ significantly between the three stages. Sodium level recorded a highly level in lactating and intermediary in pregnant, the level of Na+ higher than the normal value. In contrast Na+, potassium level was least than normal value in lactating and pregnant stages. The results which confirmed in this paper show that the blood serum biochemical parameters considered in this paper were affected by the different stages of cows. | ||
| Keywords | ||
| biochemical variables; Pregnancy; lactation; cows | ||
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