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GROUP COMPOSITION STUDY OF BLUE BULL (BOSELAPHUS TRAGOCAMELUS) IN BHAVNAGAR DISTRICT, GUJARAT, INDIA

ViralKumar Vaghela, Pravinsang Popatbhai Dodia

The Blue bull (Boselaphus tragocamelus) is the biggest Asian antelope. Blue bull (Boselaphus tragocamelus) is also called ?Nilgai? in Gujarat and all over country. Bhavnagar district is located in Saurashtra region of Gujarat near the gulf of Khambhat. In herbivorous animal grouping is the main essential behaviour for survival, searching of food and protection, composition of groups are deferred in different herbivorous animal. Study was carried out during the year 2015-2016. In Blue bull (Boselaphus tragocamelus) out of total 100 observation maximum 31 individual were recorded in single group whereas minimum group size was single individual. Presences of male Blue bull were 39.4% (SD+04.02), female 52.7% (SD+06.15) and presence of sub adult/juvenile were 07.9% (SD +01.29). Data was indicating that presence of female individual than the male was higher. Data also indicate that the group pattern is deferred than the other herbivorous animal.