Comparative Effects of Organic Acids Fed Diet on Morphometry of Visceral Organs and Intestinal Histology of Two Broiler Strains

摘要

This study aimed to analyze the effect of organic acids (formic acid and propionic acid) onmorphometry of different organs and intestinal microarchitecture of two strains of broilers (Hubbard andCobb strains) commonly reared in Pakistan. One hundred and twenty day old broiler chicks (N=60 belongingto each strain) were divided into 4 groups (N=02 treatment and N=02 control). Birds of control groups were feda corn-soya based basal diet while treatment groups received similar diet supplemented with organic acids inthe ratio of 1gm/ kg of diet. At d-21 of age, fifteen birds from each group were randomly selected forslaughtering and their visceral organs were collected surgically and weighed. The lengths of small and largeintestine were measured. The representative samples from all three segments of small intestine were processedto quantify the histomorphometry. Same procedure was repeated for remaining birds at d-42 of age. The resultsof this study demonstrated that utilization of organic acids improved the weight of visceral organs as well asthe height of intestinal villi in exposed broilers. Moreover, there was no significant variation in terms of testedparameters between the two strains of broilers.