Coeficiente de digestibilidade de farinha de insetos na alimentação de alevinos de tilápia do nilo (Oreochromis niloticus)

The continuous increase of human population as well as animal production raised the 
\nuse of products in diets formulations. That fact increased the demand and competition 
\nfor protein sources between human and animal nutrition. Thus, to find out alternative 
\nprotein ingredients is necessary. Taking this in consideration, insect meal becomes a 
\nvery promising alternative protein source. The objective of this study was to determine 
\nthe apparent digestibility coefficients (ADC) of five insect meals for Nile tilapia 
\nfingerlings. The experiment was carried out in the Fish Farming Sector of the 
\nDepartment of Animal Science of UFLA. A total of 900 fry, weighing 3g, were 
\nrandomly distributed in 18 tanks with 250L in a completely randomized design with 6 
\ntreatments (control and Cinerea cockroach, Madagascar cockroach, Zophobas morio, 
\nTenebrio molitor and Cricket meals) and 3 replicates. Determination of the apparent 
\ndigestibility was performed using the indirect method, with chromium oxide (Cr2O3) as 
\ninert marker. After acclimatization period, animals were fed twice daily for 15 days. 
\nFeces were collected through Guelph modified method. It was observed higher dry 
\nmatter ADC for Tenebrio molitor meal however not different from Zophobas morio
\nmeal (p < 0.05). The ADC of protein was higher for Tenebrio molitor and lower for 
\nCricket meal, where other treatments did not differ among themselves (p < 0.05). For 
\ncorrected protein, a higher ADC value was observed for Zophobas morio (81.19%) and 
\nTenebrio molitor (88.68%) and lower for Cricket (p < 0.05). There were no differences 
\nbetween the treatments for ether extract digestion (p > 0.05), but when corrected for 
\nether extract per unit in the diet, the highest ADC was observed for Madagascar
\ncockroach and the lowest for Cinerea cockroach and Zophobas morio For chitin, a 
\nhigher CDA was observed for Common Tenebrio meal and lower for Madagascar
\ncockroach and Cinerea cockroach meal which shown the lowest value of ADC among 
\nall the treatments (p < 0.05). For ash, high ADC was obtained for Tenebrio molitor, 
\nCinerea cockroach and Madagascar cockroach (p < 0.05). The ADC for Tenebrio 
\nmolitor and Zophobas morio were the highest for energy while Cricket and Madagascar
\ncockroach had the lower and Cinerea cockroach did not differ from the last two 
\ntreatments (p < 0.05). In conclusion, the animals have a good usage of the five insect 
\nmeals evaluated, where Tenebrio molitor and Zophobas morio have shown more 
\npromising.

Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.