PERFORMANCE AND TISSUE RESIDUE OF TILAPIAS FED DIETARY AFLATOXIN

Document Type : Original Article

Authors

1 Dept. Hygienen Nutrition and Animal Ethology, Nutrition and clinical nutrition, Fac. Vet Med. Cairo Univ.

2 Animal Health Research Institut, Dokki

Abstract

In 10 weeks feeding period, tilapia fingerlings were fed on diets contained 0.50, 100 and 100ppb of aflatoxin by (AFB1). Fish fed on diet contained 50 ppb of AFB1, showed little or no effect on fish performance, but the negative effect was increased by both level of AFB, and the duration of feeding period. These levels of AFB1, showed.no effect on fish body composition. Histopathological examination revealed an adverse effect on liver, not in gills, that related to both AFB1 level and duration of feeding. Even with as low as 50 ppb of AFB, its residue was detected in fish body in higher amount than that reported in other species. AFB, residue showed a cumulative effect related to level of AFB1 and feeding period.

Main Subjects