This text book provides an introduction to the principles and methods of Epidemiological study designs. It is also covers an introduction to the course of Bio-statistics which can be applied to medicine and other health related fields and researches....

This book provides information about Fasciola species infections in sheep. Students specializing in parasitology, veterinary medicine, animal science and microbiology could find this book useful as it focuses on prevalence and economic significance of ovine fasciolosis....

The experiment was conducted to determine the causative factors of poor fertility, hatchability, and their rectification in RIR breeds of chicken in Ethiopia. For crossing chickens were randomly allotted as RIR(+)xRIR(>),RIR(+)xWL(>),WL(+)xRIR(>),and WL(+)xWL(>). Each group was inseminated with equal number of spermatozoa on weekly basis....

This text Book shows the application of uni-variate and multivariate logistic regression model with its measure of association, unadjusted and adjusted Odds Ratio and result interpretation.This is powerful technique and widely used in various public health research....

Genetic variability is a measure of the tendency of individual genotypes in a population to vary from one another. Exploiting the existing and/ or creating new variability is a technique of any crop improvement program. Not all breeding works start with selection from existing population or crossing....