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OJVRTM
Online Journal of Veterinary Research©
(Including Medical and
Laboratory Research)
Established 1994
ISSN 1328-925X
Volume 29 (8): 507-520, 2025.
Effect of halothane on hematology and biochemistry
in ruminants.
Rajaian H, Nazifi S, Nayyeri K, Saberi Afshar F, Ehteshami F.
School of Veterinary Medicine, Shiraz University, Iran
ABSTRACT
Rajaian H, Nazifi S, Nayyeri K, Saberi Afshar F, Ehteshami F., Effect of halothane on hematology and biochemistry
in sheep and calves, Onl J Vet Res., 29 (8): 507-520, 2025. We
report effect of 2h halothane anesthesia in five 35-55kg fat-tailed sheep aged
1 to 2 years and four 30-65kg 2-4 month calves by closed circuit machine. Average
induction was ~5 minutes. In sheep we found ~22% boost (P < 0.05) in neutrophils
by 2h and 34% increase in packed cells volume between 1 to 7 days. In sheep
cholesterol declined (P < 0.05) 37% by 1-2h after anaesthesia.
Liver biopsies taken two weeks after anesthesia were not indicative of any
specific pathologic change in sheep or calves.
Key words: Anesthesia, Halothane, Sheep, Calves,
Clinical pathology.
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