Main Article Content
General inhalation anaesthesia has been evaluated in twelve local sheep, which were divided in two equal groups. First group anaesthtized by induction with intravenous injection of ( Atropine sulfate 0.4 mg/kg B.W) and after 10 to minuts ( xylazine 0.02 mg/kg . B.W.) and ( Ketamine 10 mg/kg . B.W.). While the second group has been inducted with ( xylazine 0.02 and pentobarbiton sodium 15 mg /kg B.W) with intravenons injection premidirated with (Atropine sulfate 0.4 mg/kg B.W).
The general anaesthesia has been maintained in both groups with inhalation of halothane and oxygen 1-2% concentration by (( To and Fro)) inhalation closed system. The changes in the parameters of pulse rate, respiratory rate, rectal temperature and ruminal contractions has been considered from time 0 to 60 minutes to evalute the general anaesthesia .xylazine and ketamine induction followed with halothane show effective and safe gerenal anaesthesia with excellent muscle relaxation , analgesia and ensured rapid and safe recovery with minium cardio-pulmonary depression .
2- Alexander, f. (1988) An introduction to veterinary pharmacology. 4th ed. long man group (FE) Itd . Hong Kong
3- Haso, W.H;Lu, Z. and Hembrough, F.B. (1985) Effect of xylazine on heart rate and arterial blood pressure in conscious dogs as influenced by atropine , 4 amino pyridine
, doxapram and yohimbine JAVMA. 86: 153-156.
4- Hubbll, J.A.E. and Muir, W.W.(1980) Effect of xylazine hydrochlode on canine splenic weight : An index of vascular capacity . Am. J. Vet. Res. 43:2188-2192.
5- Nalon, A; Livingston, A. and Waterman, A. (1986) The effect of Alph-2 adrenoreceptor agonists on airway pressure in anesthetized sheep . J. Vet. Pharmacol. 9:157-163.
6- Sharada , R.T; Jean, G AND Muir, W.W.(1992) Influnce of Tolazoline on caudal epidural administration of xylazine in cattle . Am. J.Vet. Res., 51:556-560.
7- Verstegen , J; Fargetton, X. and Ector, F.(1989) Medetomidine – Ketamine anesthesia in cats. Acta. Vet. Scand., 85:117-125.
8- Flecknell, P.A.(1993) Anesthesia of animal for Biochemical Research. Br. J. Anesth. 71:885-894.
9- Hossian, M.D. and Cambrun, M.A.(1984). The influnce of different anesthetic agent on the reflex of rumen contents and esophageal and rumen function in anesthetized sheep. J. Assoc. Vet. Anes. Of great Britain and Ireland .12:107 -111.
10-Hall, L.W. and Clarke , K. W.(1992) Veterinary anaesthesia . 9th ed., Bailliere Tindall, London.