نوع مقاله : مقاله پژوهشی
نویسندگان
1 گروه شیلات، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
2 گروه شیبلات دانشگاه آزاد اسلامی واحد علوم و تحقیقات
3 استادیار گروه شیلات ، دانشکده کشاورزی و منابع طبیعی ، دانشگاه ازاد اسلامی واحد قائمشهر
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
This survey was done in order to use of different levels of the herbal supplement Digestrum P. A. P. in freshwater Angel fish (Pterophyllum scalare) fry and its effect on some growth performance; microbial Flore and morphology of intestine. 120 fry (1.2±0.4g) were gathered in a Complete Randomize Design plane with 4 treatments fed on different levels of Digestrum (0, 1, 1.5 and 2 g/kg) each with 3 replicates for 60 days. The results showed that Digestrum had positive effects on final body weight, SGR and FCR so that in the treatment fed on 2 gr. The most final weight (6.8g±0.34), the best SGR (4.0±0.12) and the least FCR (1.1±0.22) were observed in the same treatment (p<0.05). The most number of Lactobacilli colonies, The best length of intestine villi (600.14+_15.44), villi across (105.14±2.18), and cript depth (55.2±2.10) were reported from this treatment too (p<0.05). Based on the results, it could be concluded that the herbal supplement Digestrum P. A. P. can improve performance and intestine bacterial flour in 2g/kg level of diet.
کلیدواژهها [English]