R. A. MathakiyaPATEL JAYESHKUMAR VIRABHAI2020-06-242020-06-242018http://krishikosh.egranth.ac.in/handle/1/5810147983Among the infectious diseases of calves, neonatal diarrhoea is a matter of major concern and is caused by multiple etiological agents. Neonatal calf diarrhea (NCD) is a multifactorial complex syndrome including infectious as well as non-infectious factors related to the animal viz. immunological and nutritional status, the environment or the management Neonatal calves are at the greatest risk of diarrhea in a first month of their life. Infectious diarrhea is the most significant cause of morbidity and mortality in neonatal dairy calves throughout the world and it can be caused by many pathogens including Enterotoxigenic Escherichia coli (ETEC) and Rotavirus.en-USnullThesis