Crossbreeding involving Bos Taurus cattle breeds with native descriptive and non descriptive cattle population was introduced in India nearly half a century ago with the aim to quick gains in milk production. Undoubtedly, there was a rapid rise in milk production making India the largest milk producer in the world. However, crossbreeding affected the bovine population in general and native breeds in particular in various ways leaving problems and unsolved question. This book is a maiden attempt to systematically review the performance of crossbred bulls in the tropics based on nearly fifty years of Indian experience and highlights various problems and researchable issues concerning crossbred bulls. It discusses the adoption, constraints, and implications of castle breeding policy in India, and highlights various problems and researchable issues concerning crossbred bulls. The book is intended as a teaching text for Graduate and Post Graduate students in the disciplines of Animal Reproduction, Physiology, and Gynecology and as a referral source for scientists and research scholars.
Contents: 1. Cattle breeding policy past and present, crossbreeding status and issues. 2. Seminal attributes of breeding bulls with special reference to crossbreds. 3. Factors affecting semen quality. 4. Reproductive performance and reproductive wastage in crossbred bulls. 5. Cryo preservation cryo injury and freezability of Semen. 6. Techniques to improve semen quality. 7. Status of semen transmissible and other genital diseases in the breeding bulls. 8. Standard practices for bull semen stations. 9. Synthesis of a crossbred cattle strain experience on males. 10. Appendix. Subject Index.
ABOUT THE AUTHOR A.K. Mathur
Dr. A.K. Mathur is an Associate Professor in the Department of Agriculture Chemistry and Soil Science, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur. He did his M.Sc. from the M.L. Sukhadia University, Udaipur in 1977 and obtained Ph.D. Degree from the Rajasthan Agricultural University, Bikaner in 1996. He has an extensive and rich experience of 27 years to his account in the field of teaching, research and extension in Soil Science. His field of interest are Pedology, Soil fertility and its management.
ABOUT THE AUTHOR S.P. Singh
Dr. S.P. Singh, obtained degrees of B.Sc. (Hons.) Ag. & A.H. and M.Sc. (Ag.) Horticulture from G.B. Pant University of Agriculture & Technology, Pantnagar (UP) India in 1964 and 1970 respectively. In the same University, he conducted research and imparted technical know-how on seed production technology in cereal and vegetable crops to the progressive farmers of Tarai region of western U.P. He was awarded Senior Research Fellowship by CSIR, New Delhi leading to Ph.D. degree in Horticulture at National Botanical Reserch Institute, Lucknow under Kanpur University, Kanpur (UP) in 1974-78. He joined Konkar Krishi Vidyapeeth, Dapoli, Ditt. Ratnagiri (MS) as Assistant Professor in 1978 and worked in the cadre of Associate Professor from January 1979 to Nov. 1983 in the same University. Presently Dr. Singh is serving as Associate Professor of Horticulture at Gujarat Agricultural University, Junagadh Campups, Junagadh since December, 1983. Dr. Singh has published more than 50 research papers and 65 semi-research articles in Horticulture. Dr. Singh is a life member of the Indian Journal of Plant Science Research and Indian Farmers’ Digest His main areas of interests are floriculture, olericulture and plantation crops. He is author of three more books, viz. 1. Mist propagation, 2. The Gliricidia, 3. Scientific Management of Arecanut Gardens.
ABOUT THE AUTHOR Shrikant Tyagi
Dr Shrikant Tyagi Principal Scientist Project Directorate on Cattle, Meerut India.
There are no reviews yet.