Effect of Exogenous Melatonin and Different Photoperiods on Differential Leucocyte Count in Chhotanagpuri Ewe

Pankaj K. Choudhary; Ajay K. Ishwar; Pramod . Kumar; Pankaj K. Maurya; Mukesh . Kumar; Rajesh . Kumar; Debasish . Niyogi

doi:10.21887/ijvsbt.17.2.6

Pankaj K. Choudhary Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.
Ajay K. Ishwar Department of Veterinary Physiology, Ranchi Veterinary College, Birsa Agricultural University, Ranchi-834006, Jharkhand, India.
Pramod . Kumar Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.
Pankaj K. Maurya Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.
Mukesh . Kumar Department of Veterinary Anatomy and Histology, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.
Rajesh . Kumar Department of Veterinary Gynaecology and Obstetrics, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.
Debasish . Niyogi Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, University of Agriculture and Technology, Kumarganj, Ayodhya-224229, Uttar Pradesh, India.

DOI: https://doi.org/10.21887/ijvsbt.17.2.6

Keywords: Chhotanagpuri Ewe, Differential leucocyte count, Exogenous Melatonin, Photoperiod.

Abstract

Forty-two healthy, non-pregnant, non-lactating Chhotanagpuri ewe, having body weight ranging from 14.11 ± 0.09 to 15.38 ± 0.06 kg, were selected and isolated from rams 2 months before melatonin administration. The selected animals were allocated randomly into seven groups each of 6 animals, viz., Group-I Normal control, Group-II Long day (LD) control), Group-III (LD + melatonin administration 3 mg/day orally, Group-IV