Among the world´s poorest countries, Bangladesh is home to one of the richest treasures-prized Black Bengal goats. Among the Asiatic countries, Bangladesh, a tropical agro-based developing country, possesses the third largest repository of goats, with a population of more than 34 million heads, according to the FAO. This figure represents more than 57% of total livestock in Bangladesh. More than 90% of the goats of the country are of the Black Bengal breed. More than 98% of goats are owned by the small, marginal and landless farmers in the villages. One of the infectious diseases, which are a major constraint for Black Bengal goat productivity, is brucellosis. Brucellosis in Black Bengal goat is caused by Brucella melitensis. Brucellosis is considered by the Food & Agricultural Organization (FAO), the World Health Organization (WHO) & the World Organization for Animal Health (OIE) as the most widespread bacterial zoonosis worldwide. This book illustrates the introduction, diagnosis and seroprevalence of brucellosis in Black Bengal goat. The exciting new study shows a new way of developing the goat industry & prevention & control of brucellosis nationally and at international level.