| Full text | |
| Author(s): |
Pinto, Donovan F. H.
[1]
;
Mansano, Cleber F. M.
[1]
;
De Stefani, Marta V.
[2, 1]
;
Pereira, Marcelo M.
[3]
Total Authors: 4
|
| Affiliation: | [1] UNESP, Ctr Agr, Posgrad, BR-14884900 Jaboticabal, SP - Brazil
[2] UNESP, Fac Ciencias Agr & Vet, Dept Zootecnia, BR-14884900 Jaboticabal, SP - Brazil
[3] Fundacao Inst Pesca Estado Rio de Janeiro, Unidade Pesquisa Guaratiba, BR-23032050 Rio De Janeiro - Brazil
Total Affiliations: 3
|
| Document type: | Journal article |
| Source: | Aquaculture; v. 440, p. 12-16, APR 1 2015. |
| Web of Science Citations: | 4 |
| Abstract | |
In view of the importance of tadpole rearing to obtain good results of frog farming, the objective of this study was to determine the optimal digestible protein (DP) level for bullfrog tadpoles. Tadpoles were fed isoenergetic diets (15.4 kJ DE g(-1)) containing 21, 23, 25, 27, 29 and 31% DP. The following parameters were evaluated: weight gain, feed intake, dietary protein intake, feed conversion, specific growth rate, protein efficiency ratio, and deposition of protein, fat, water and ashes. The optimal level of DP for weight gain estimated by broken-line regression analysis was 27.7%. Feed intake decreased and protein intake, specific growth rate and feed conversion increased with increasing levels of DP in the diet. No significant difference was observed for protein efficiency ratio. Tadpoles fed diets containing 27, 29 and 31% DP exhibited higher deposition of protein, water and ashes and lower fat deposition. The results suggest 27.7% DP for bullfrog tadpoles. (C) 2015 Elsevier B.V. All rights reserved. (AU) | |
| FAPESP's process: | 12/23260-5 - Evaluation of levels of digestible protein for bullfrog tadpoles through growth curve |
| Grantee: | Donovan Filipe Henrique Pinto |
| Support Opportunities: | Scholarships in Brazil - Master |