Determination of growth performance and some gastrointestinal traits of Angelfish (Pterophyllum scalare) fed with different levels of Digestrum P.E.P.

Articles in Press

Document Type : (original research)

Authors

1 Department of Fisheries, Science and Research Branch, Islamic Azad University, P.O. Box: 14515-877, Tehran, Iran

2 Department of Fisheries, Science and research branch

3 Assistant Professor, Department of Fisheries, Faculty of Agriculture and Natural Resources, Ghaemshahr Islamic Azad University

10.22034/aej.2020.254783.2392

Abstract

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.

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Journal of Animal Environment

Articles in Press, Corrected Proof
Available Online from 04 October 2021

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