Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X

Investigation of some blood biochemical parameters changes in pregnant Lori Bakhtiari ewes during different months of pregnancy

Document Type : Research Paper

Authors

aref kord 1
Arash Kheradmand 2
Alireza Rocky 3
Majid Khaldari 4

1 clinicin

2 Lorestan University faculty member, specialty: Midwifery and reproductive diseases of livestock / Sperm evaluation in domestic animals and mice / Ultrasound of domestic animals / Mastitis / The effect of antioxidants on reproduction

3 Department of Clinical Pathology, Lorestan University, Khoramabad, Iran

4 Department of Animal Science, Faculty of Agriculture, Lorestan university. Iran

https://doi.org/10.22059/jap.2021.321909.623607
Abstract
The aim of this study was to investigate the changes of some blood biochemical parameters in Lori-Bakhtiari ewes during different months of pregnancy and the influence of fetus numbers on these parameters. For this purpose, 20 ewes of Lori Bakhtiari breed were selected and mated with fertile rams. One month before mating and in the first to fifth months of pregnancy blood samples were collected from ewes and biochemical and enzymatic parameters including calcium, phosphorus, magnesium, urea, creatinine, total bilirubin, AST, ALP and GGT were measured. The concentration of calcium and AST activity were constant at the times of the study, but they increased in the last month of pregnancy (P<0.05). Magnesium concentration increased in second month of pregnancy (P<0.05) and phosphorus concentration was decreased during pregnancy compared to the month before mating (P<0.05). Creatinine concentration decreased in the second and third months of pregnancy compared to other months of pregnancy (P<0.05). Total bilirubin and urea concentrations increased during fourth month and the second half of pregnancy, respectively (P<0.05). GGT activity was almost stable during study period but decreased in the fourth month of pregnancy (P<0.05), and ALP enzyme activity showed increasing trend during pregnancy period (P<0.05). The mean concentration of the studied parameters in singleton ewes was not significantly different from twins (P <0.05). Based on the results of this study, blood biochemical changes in Lori Bakhtiari ewes can be used to assess their physiological status during pregnancy.

Keywords

Bilirubin
Blood changes
Electrolyte
Enzyme
Lori-Bakhtiari sheep
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Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X
Volume 23, Issue 4
Winter 2022
Pages 515-524

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