Pregnancy toxemia of ewes is a metabolic disease caused by glucose deficiency in mothers in response to rapid increases in fetal requirements. The objective of this study was evaluation of some blood elements and metabolites and cortisol levels in pregnant Ghezel ewes a More
Pregnancy toxemia of ewes is a metabolic disease caused by glucose deficiency in mothers in response to rapid increases in fetal requirements. The objective of this study was evaluation of some blood elements and metabolites and cortisol levels in pregnant Ghezel ewes at Khalatposhan research station. In this study, blood samples were taken from 50 pregnant ewes at three times, before mating, during pregnancy and before lambing. Thereafter, glucose, calcium, phosphorus, urea and total protein levels were measured using the spectrophotometric method and blood cortisol concentration using the Elisa method. The effect of parity on serum glucose concentration was significant (p<0.01). Phosphorus concentration in all ewes was at the same level and no significant difference was observed regarding phosphorous levels between ewes. Lambing type had no effect on the measured parameters. Blood sampling time had significant effect (p<0.01) on all the measured parameters except phosphorus. Serum cortisol levels were significantly (p<0.01) increased by body weight of lambs at birth. There was a negative correlation between glucose and urea (r=-0.16). The correlation between total protein and urea (r=0.42) and total protein and phosphorous (r=-0.21) was statistically significant (p<0.01). In general it can be concluded that pregnancy toxemia could be prevented by measurement and analysis of blood metabolites during pregnancy and the use of suitable diets and management strategies.
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Abstract
Economical production of sheep is reduced by gastrointestinal parasites; and they can also be transmitted to humans. The present study was carried out to determine the gastrointestinal nematode parasites fauna and infestation rate in Ghezel sheep More
Abstract
Economical production of sheep is reduced by gastrointestinal parasites; and they can also be transmitted to humans. The present study was carried out to determine the gastrointestinal nematode parasites fauna and infestation rate in Ghezel sheep of East Azerbaijan province and stool samples were examined for helminthes infections. In this study, 120 lambs with 4-6 months’ age were selected from 6 herds (20 lambs from each herd). Fecal samples were collected directly from the rectum of lambs and parasites were counted by Clayton Lane method. The number of counted parasites eggs of Nematodirus, Marshallagia marshalli, Haemonchus contortus and Trichostrongylus were 39, 24, 23 and 14 percent respectively. Due to the contamination of sheep, control and treatment measures should be carried out and further research is recommended regarding prevention and control of infestation.
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The aim of this study was to determine the correlation between subclinical deficiency of Vit A, Vit C and zinc and ovine pneumonia. This study was conducted on 400 sheep affected by pneumonia and 100 apparently healthy sheep. All animals were from the Ghezel breed with More
The aim of this study was to determine the correlation between subclinical deficiency of Vit A, Vit C and zinc and ovine pneumonia. This study was conducted on 400 sheep affected by pneumonia and 100 apparently healthy sheep. All animals were from the Ghezel breed with the age of 0.5-2 years and body weight of 35-60 kg. Sampling was done during the summer and autumn in Miandoab province. Patients showing signs of rapid and shallow breathing, dyspnea, coughing, nasal discharge and abnormal lung sound were selected as having pneumonia. Animals without any sign of particular disease were selected as apparently healthy after general examination. Blood samples were collected from the jugular vein. The results indicated that serum levels of vitamin A, vitamin C and zinc were 46.94±0.26 (μg/dl), 1.83±0.05 (mg/dl) and 183.25±1.86 (μg/dl) in healthy sheep respectively and serum levels of vitamin A, vitamin C and zinc were 42.45±0.19 (μg/dl), 1.47±0.02 (mg/dl) and 134.59±1.77 (μg/dl) in pneumonic sheep (p=0.000) respectively. It can be concluded that there is a significant correlation between subclinical deficiency of vitamin A, vitamin C and zinc serum and ovine pneumonia
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