Specific parasite wise prevalence in the Black Bengal goat in winter season was compared with that in summer
season by Chi-square test (Mostafa, 1989). The risk of developing different intestinal helminth parasitic
infection in a Black Bengal goat in winter season was compared with that in summer by computing Odds ratio
(Schlesselman, 1982). Comparison of mean parasitic load of the infected animals between winter and summer
seasons was performed by t-test (Petrie and Watson, 1999).