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Infectious Bovine Rhinotracheitis (IBR): A silent problem causing infertility in cross-bred cattle

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TITLE: INFECTIOUS BOVINE RHINOTRACHEITIS (IBR): A SILENT PROBLEM CAUSING INFERTILITY IN CROSS-BRED CATTLE

Rashmi Rekha Kumari [ Assistant Professor, Bihar Animal Science university, Patna ]
Ravi Kumar [ MVSc Scholar, Department of Pharmacology & Toxicology, BASU, Patna ]
Shimpi Kumari [ MVSc Scholar, Department of Veterinary Medicine, BASU, Patna ]
Pankaj Kumar [ Scientist, Veterinary Medicine, DLFM, ICAR Research Complex for Eastern Region, Patna, Bihar, India pankajvet@gmail.com ]
Manish Kumar [ Associate Professor, Department of Biosciences and Bioengineering, IIT Guwahati, 781039, Assam ]

 

India has a huge livestock population supporting the socio-economics of the majority of the population. The country with a geographic area of 3,287,240 sq. km supports 300 million bovines, 65.07 million sheep, 135.2 million goats, and about 10.3 million pigs as per the 19th livestock census. The cattle population is showing negative growth in recent censuses, mostly due to a decrease in the indigenous population. Despite the decrease in cattle population, the crossbred population of our country has shown increasing trends. There is an increase in coverage of artificial insemination (AI); still, about 60-70% of conception is due to service by community bulls of the villages. India could achieve only 26 % of its ambitious target of 100 million AI(s) in 2017-18 due to various reasons like wastage of high-quality semen dosages, lesser efficiency of insemination workers, and utilization ( 10 %) of available indigenous bull semen in the entire project (The Pioneer, 10th August 2017). Natural services by these community bulls are responsible for many sexually transmitted diseases, that cause infertility in bovines.

The recent report on the current status of Infectious Bovine Rhinotracheitis (IBR) in India by Chandranaik et al. (2016) emphasized the possible cause of the spread of IBR as the adaption of crossbreeding policy to augment the milk production which resu