Genetic Analysis Of Fitness Traits Of Corriedale Sheep  Under Temperate Conditions Of Kashmir

Nusrat Nabi; Nazir Ahmad Ganai; Syed  Shanaz; Safeer  Aalam; Dibyendu  Chakraborty; Saba   Bukhari; Ruksana  Majid; Mir  Shabir; Tavsief  Ahmad; A  Hamadani; Mubashir Ali  Rather

doi:10.48165/

Authors

Nusrat Nabi Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Nazir Ahmad Ganai Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Syed Shanaz Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Safeer Aalam Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Dibyendu Chakraborty Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Saba Bukhari Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Ruksana Majid Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Mir Shabir Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Tavsief Ahmad Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
A Hamadani Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)
Mubashir Ali Rather Division of Animal Genetics and Breeding, Faculty of Veterinary Sciences & Animal Husbandry, S.K. University of Agricultural Sciences & Technology of Kashmir, Alesteng, Shuhama - 190 006, Ganderbal, Jammu & Kashmir (India)

DOI:

https://doi.org/10.48165/

Keywords:

Age at first lambing, Corriedale sheep, litter size, heritability, survival rate

Abstract

Pedigree information data for 49 years (1969-2017) for fitness traits maintained at Mountain Research Centre for Sheep and Goat (MRCSG), SKUAST-K Shuhama Kashmir was analyzed to evaluate the performance of Corriedale sheep under the temperate agro-climatic conditions of Jammu & Kashmir state. The effects of non-genetic factors such as period of birth and sex on various normalized fitness traits such as age at first lambing (AFL), litter size (LS), total lambs born perewe (TLB) and survival rate (SR) were analyzed by least squares analysis. The period of birth was found to have highly significant (p < 0.01) effect on all the traits studied. The least square means revealed that lambs born in period 1969- 1975 had higher values of TLB, higher percentage of SR and lowest value of ALF. Sex of lamb had significant (p < 0.05) effect on SR. The heritability estimates were 0.09 ± 0.01, 0.40 ± 0.04, 0.29 ± 0.07 and 0.23 ± 0.03 for AFL, LS, TLB and SR, respectively. The study revealed that AFL and fitness traits are influenced by both genetic and non-genetic factors. Therefore, improvement in these traits in the flock can be achieved through selection and management.

Downloads

Download data is not yet available.

References

Babar, M.E. and Javed, K. 2009. Non genetic factors effecting reproduction and growth traits of fine wool breeds. Journal of Agricultural Science, 34(3): 225-231.

Becker, W.A. 1975. Manual of Quantitative Genetics (3rd edn.). Washington State University, Washington, USA.

Das, N. 2000. Reproductive performance of Muzaffarnagri sheep and its crossbred progeny. Indian Journal of Animal Sciences, 70(4): 426-427.

Dixit, S.P., Dhillon, J. and Singh, G. 2002. Sources of variation in reproductive traits of Bharat Merino sheep. Indian Journal of Animal Sciences, 72(4): 328-331.

Ekiz, B., Ozcan, M., Yilmaz, A. and Ceyhan, A. 2005. Estimates of phenotypic and genetic parameters for ewe productivity traits of Turkish Merino sheep. Turkey Journal of Veterinary and Animal Science, 29: 557-564.

Goddard, M. 2009. Fitness traits in animal breeding programs. pp. 41-42. In: Adaptation and Fitness in Farm Animal Populations (eds: J.H.J. Van der Werf, H.U. Graser, R Frankham and C. Gondro). Springer Science & Business Media, Dordrect, The Netherlands.

Gowane, G.R., Prince, L.L.L., Paswan, C., Misra, S.S., Sharma R.C. and Naqvi, S.M.K. 2014. Genetic analysis of reproductive and fitness traits of Malpura sheep in semi-arid tropics of India. Agricultural Research, 3: 75-82.

Harvey W.R. 1990. User Guide for LSMLMW and MIXMDL Package Mixed Model Least Squares and Maximum Likelihood Computer Programme. PC–2 version Mimeograph Colubia, Ohio, USA.

Khan, N.N., Assad, N., Kumar, N., Chakraborty, D., Ayaz, A., Ahmad, M.D., Ali, A. and Yousuf, S.W. 2017. Non-genetic factors effecting reproduction traits in Rambouillet sheep. International Journal of Current Microbiology and Applied Sciences, 6: 3698-3704.

Kramer, C.R. 1957. Extension of multiple range tests to group correlated means. Biometrics, 13: 13- 18.

Nusrat Nabi et al.

Mandakmale, S., Birari, D., Shinde, S. and Sakhare, P. 2013. Effect of non-genetic factors on reproductive performance of Sangammeri strain of Deccani sheep. Indian Journal of Small Ruminants, 19: 83-84.

Mandal, A., Prasad, H., Kumar, A., Roy, R. and Sharma, N. 2007. Factors associated with lamb mortalities in Muzaffarnagari sheep. Small Ruminant Research, 71: 273-279. Marufa, E., Taye, M., Abebe, G., Tera, A. and Jimma, A. 2017. Effect of non-genetic factors on reproductive and growth performance of Abera sheep under community-based breeding program in SNNPRS Ethiopia. Journal of Advances in Dairy Research, 5: 196. doi:10.4172/2329-888X.1000196.

Matos, C.A., Thomas, D.L., Gianola, D., Tempelman, R.J. and Young, L.D. 1997. Genetic analysis of discrete traits in sheep using linear and nonlinear models: I. Estimation of genetic parameters. Journal of Animal Science, 75: 76-87.

Mustafa, M.I., Mehmood, M.M., Lateef, M., Bashir, M.K. and Khalid, A.R. 2014. Factors influencing lamb mortality from birth to weaning in Pakistan. Pakistan Journal of Life and Social Sciences, 12: 139-143.

Rather, M.A. 2019. Genetic Evaluation of Kashmir Merino Sheep at Organized Farms. M.V.Sc. thesis submitted to S.K. University of Science and Technology-Kashmir, J&K, India. Rather, M.A, Khan, N.N., Shanaz. S., Alam. S., Ayaz. A., Shabir. M., Bukhari. S. and Khan. N.N. 2020a. Genetics of some reproduction traits in some sheep breeds from India: A review. Journal of Entomology and Zoology Studies, 8(3): 1234-1238.

Rather, M.A., Kuthu, B., Hamadani, A., Ahanger, S., Baba, M.A., Baba, J.A. and Shah, M.M. 2020b. Effect of non-genetic factors on survivability and cumulative mortality of Kashmir Merino lambs. Indian Journal of Small Ruminants, 26(1): 22-26.

Rather, M.A., Shanaz, S., Ganai, N.A., Nabi, N., Hamadani, A., Alam, S., Bukhar. S., Baba, A. and Raja, T.A. 2020c. Estimation of genetic parameters for production and reproduction traits in Kashmir Merino sheep. Indian Journal of Animal Sciences, 90: 288-291.

Sarkar, T.K., Banik, S., Ganai, T.A.S., Singh, P.K. and Ganai, N. 2008. Mortality pattern in exotic and crossbred sheep at an organized farm of Kashmir valley. Indian Journal of Small Ruminants, 14: 218-223.

Vatankhah, M., Talebi, M.A. and Edriss, M.A. 2016. Estimation of genetic parameters for reproductive traits in Lori-Bakhtiari sheep. Small Ruminant Research, 74: 216-220.