1. Verma, R.K., A.K. Gupta, P. Ratwan, C.S. Patil and M. Kumar, 2018. Prediction of lifetime milk production based on first lactation traits in Sahiwal cattle at organized dairy farm. Haryana Vet., 57: 55-58.
2. Sharma, N., R. Narang, N. Kashyap, S. Kumari, S. Kaur and P. Ratwan, 2018. Genetic analysis of persistency in HF crossbred cattle at an organized farm of Northern India. Trop. Anim. Health Prod., 50: 1219-1225.
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3. Ratwan, P., M. Kumar, P. Joshi, N. Sharma, P. Devi and S. Deswal, 2018. Interventions and package of practices needed to enhance farmer's income through livestock. Res. Rev.: J. Dairy Sci. Technol., 6: 20-25.
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4. Ratwan, P., M. Kumar, A. Kumar, A.K. Chakravarty and A. Mandal, 2018. Impact of additive direct and maternal heritability on production efficiency traits in Jersey crossbred cattle. Indian J. Anim. Sci., 88: 88-92.
5. Ratwan, P., M. Kumar, A. Kour and A.K. Chakravarty, 2018. Cattle and buffalo breed improvement programmes in northern region of India: Constraints and future resource requirement. Indian Dairyman, 70: 76-81.
6. Ratwan, P., A.K. Chakravarty, M. Kumar, A.K. Gupta, S.S. Lathwal and R. Malhotra, 2018. Production performance and estimation of genetic parameters of production traits in Sahiwal cattle. Indian J. Dairy Sci., 71: 592-597.
7. Mandal, A., R. Behera, P. Ratwan, C. Bhakat and A. Santra, 2018. Genetic parameters for direct and maternal effects on birth weight of crossbred calves. Indian J. Anim. Sci., 88: 113-116.
8. Kumar, M., D.S. Dalal, P. Ratwan and A.S. Yadav, 2018. Strategies to minimize heat stress in broiler and layer chickens. Res. Rev.: J. Dairy Sci. Technol., 6: 26-30.
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9. Verma, R.K., A.K. Gupta, M. Kumar and P. Ratwan, 2017. Estimates of genetic parameters for milk and milk constituent's yield traits in Sahiwal cattle. Indian J. Dairy Sci., 70: 751-754.
10. Sharma, N., R. Narang, P. Ratwan, N. Kashyap, S. Kumari and S. Kaur, 2017. Persistency measurement in HF Sahiwal cattle. Int. J. Curr. Microbiol. Applied Sci., 6: 1849-1854.
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11. Ratwan, P., A. Mandal, M. Kumar and A.K. Chakravarty, 2017. Prediction of lifetime performance traits by principal component analysis in Jersey crossbred cattle at an organized farm of eastern India. Indian J. Anim. Sci., 87: 1163-1167.
12. Kumar, M., P. Ratwan, R. Das, A. Chopra and V. Vohra, 2017. Allelic diversity of butyrophilin (BTN1A1) gene in Indian bovines. Indonesian J. Biotechnol., 22: 92-97.
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13. Kumar, A., A. Mandal, A.K. Gupta, P. Ratwan and N. Kumar, 2017. Genetic evaluation of reproductive traits in Jersey crossbred heifers at an organized farm of eastern India. Indian J. Anim. Res., 51: 619-624.
14. Godase, C.S., K.P. Shinde, B.B. Khutal, P. Ratwan and M. Kumar, 2017. Lifetime calf production distribution and effect of genetic and non-genetic factors on total herd life in Phule Triveni crossbred cattle. Indian J. Anim. Sci., 87: 1542-1545.
15. Ratwan, P., M. Kumar and A. Mandal, 2016. Influence of genetic and non-genetic factors on lactation traits in dairy cattle: A review. J. Dairy Sci. Technol., 5: 7-22.
16. Ratwan, P., A. Mandal, M. Kumar, A. Kumar and A.K. Chakravarty, 2016. Genetic analysis of lactation traits of jersey crossbred cattle. Indian J. Dairy Sci., 69: 182-185.
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17. Kumar, M., V. Vohra, P. Ratwan, J. Valsalan, C.S. Patil and A.K. Chakravarty, 2016. Estimates of genetic parameters for fat yield in Murrah buffaloes. Vet. World, 9: 295-298.
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18. Kumar, M., V. Vohra, P. Ratwan and A.K. Chakravarty, 2016. SNP identification in thioesterase domain of fatty acid synthase gene in murrah buffaloes. J. Anim. Plant Sci., 26: 1828-1832.
19. Kumar, A., A. Mandal, A.K. Gupta, M.R. Vineeth, P. Ratwan and M. Karunakaran, 2016. Investigation of direct and maternal genetic effects on days open in Jersey crossbred cattle. Indian J. Anim. Sci., 86: 578-580.
20. Kumar, A., A. Mandal, A.K. Gupta and P. Ratwan, 2016. Genetic and environmental causes of variation in gestation length of Jersey crossbred cattle. Vet. World, 9: 351-355.
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21. Chitra, A., A. Jain, M. Kumar, P. Ratwan and A.K. Gupta, 2016. Genetic evaluation of sire for milk production and its composition traits in Murrah buffaloes. Indian J. Dairy Sci., 69: 721-724.
22. Chitra, A., A. Jain, M. Kumar, P. Ratwan and A.K. Gupta, 2016. Effect of genetic and non-genetic factors on milk yield and milkcomposition traits in Murrah buffaloes. Indian J. Anim. Res. 10.18805/ijar.v0i0f.3785.
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23. Ratwan, P., A. Mandal, M. Kumar, M. Karunakaran and T.K. Dutta, 2015. Carbon footprints of dairy animals: Causes and its mitigation. Res. Rev. J. Dairy Sci. Technol., 4: 6-11.
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24. Ratwan, P., A. Mandal, M. Kumar and A.K. Chakravarty, 2015. Genetic analysis of milk production efficiency traits in Jersey crossbred cattle. Indian J. Anim. Res., 51: 644-647.
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25. Kumar, M., V. Vohra, P. Ratwan, A. Chopra and A.K. Chakaravarty, 2015. Influence of FASN gene polymorphism on milk production and its composition traits in Murrah buffaloes. Indian J. Anim. Res., 51: 640-643.
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26. Kumar, M., V. Vohra, P. Ratwan and A.K. Chakravarty, 2015. Exploring polymorphism in 3' UTR region of STAT1 gene in different buffalo breeds. Indian J. Dairy Sci., 68: 473-476.
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