1. Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
2. Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Government Chemist Laboratory Authority, Dar es salaam, Tanzania
3. Department of Biosciences, College of Natural And Applied Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
4. Department of Veterinary Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania