Histological Study of the Effect of Adding Probiotic Bacteria Loaded on Crushed Date Seeds in the Diets of Awassi Lambs

Abstract This study was conducted in the fields of breeding and improving sheep goats at Al-Dabouni research station district, Wasit Governorate affiliated to General Authority for Agricultural Research / Ministry Agriculture, from 8/2/2022 7/6/2022. A total 24 male Awassi lambs, aged between 4-5 months, were used (4 Al-Mahatta lambs 20 purchased a breeder Jassan district), average starting weight (24,583 ± 0.25) kg, they randomly distributed into six equal groups per group) fed on daily diets period 18 weeks, as follows: T1: negative control; T2: positive T3: diet containing 10% crushed date seeds, loaded with Bacillus subtilis probiotic; T4: Lactobacillus acidophilus T5: Bifidobacterium bifidum T6: Streptococcus thermophiles probiotic. The results current indicated T4 revealed enlarged muscle fibers copious cytoplasm few field due large size fibers. T5 showed epithelial hyperplasia rumen mucosal epithelium, T6 mucous epithelium this group marked thickening an increase cells