Dilip Kumar SinghJyoti Kumari Jha2024-10-072024-10-072006https://krishikosh.egranth.ac.in/handle/1/5810215446The results obtained have been summarized below: 1.Chotanagpuri sheep are native of Jharkhand and adjacent part of West Bengal. 2. These sheep are being reared exclusively for mutton production 3. Pre- dominant coat colour was brown (45.73%) followed by White/grey (38.11%) 4. Average body weight of males and females are 19.17 ±0.06Kg, respectively. 5.Males were heavier than females. 6.Average body length, body height at withers, heart- girth, paunch girth, ear length and tail length were 45.17 ± 0.09,. 7. Males are horned but females are polled. 8. Average horn-length is 7.22±0.32 cm. 9. Average body weight at birth, 15, 30, 45 , 60, 75 and 90 days of age for males were recorded as 1.96±0.04, 2.96±0.05, 4.16±0.08 Kg respectively 10. The effect of flock size was significant on ear length at birth, body weight at 15 and 30 days, ear length at 30 days, body weight and ear length at 45 days, ear length at 60days, ear length at 75 days and height at body height at withers, heart-girth, paunch-girth and ear length at 90 days of age 11. Effect of sex was significant on paunch –girth and ear length at 75 days , and ear length and tail length at 90 days. 12.Effect of season of birth was significant on body length, ear length at 15 daysEnglishThesis