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- Title
EFFECTIVENESS OF EXOGENOUS DIGESTIVE ENZYMES SUPPLEMENTATION ON THE PERFORMANCE OF RABBITFISH (Siganus rivulatus).
- Authors
Dawood, Mahmoud A. O.; Mohsen, Mohamed; El-dakar, Ashraf; Abdelraouf, Elsaid; Moustafa, Eman M.; Ahmed, Hamada A.
- Abstract
The current study was established to test the possibility of using exogenous digestive enzymes (EDE) in rabbitfish (Siganus rivulatus) diets. Five experimental diets containing 34% soybean meal were prepared and supplemented with EDE at 0, 1, 2, 3, and 4 g kg-1 diet. Fish with average initial weight (± 1.1 g) were fed the test diets for 74 days. Rabbitfish offered the diets with EDE supplements exhibited significantly (P<0.05) higher growth performance, feed intake, protein efficiency ratio, protein gain, and protein retention over the basal diet. But, no significant (P>0.05) differences were observed in carcass composition and somatic parameters index with EDE supplementation. The physiological condition of fish fed diets with EDE showed that the hematocrit (%), total plasma protein and total plasma globulin were significantly (P<0.05) higher in fish fed EDE than the control group. It can be concluded that the addition of EDE in rabbitfish diets improved the growth performance, feed efficiency and health condition.
- Subjects
DIGESTIVE enzymes; BLOOD proteins; SOYBEAN meal; FISH feeds; DIETARY supplements; GLOBULINS
- Publication
Slovenian Veterinary Research / Slovenski Veterinarski Zbornik, 2019, Vol 56, p409
- ISSN
1580-4003
- Publication type
Article
- DOI
10.26873/SVR-779-2019