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- Title
Effect of Different Dietary Protein Levels on Physio-metabolic Response during Stunting of Milkfish, Chanos chanos (Forsskal, 1775) Reared under Pond Conditions.
- Authors
Prasad, Mamidala Shyam; Ande, Muralidhar P.; Syamala, Karthireddy; Chadha, Narinder Kumar; Sawant, Paramita Banerjee; Xavier, Biji; Gireesh-Babu, P.
- Abstract
Background: Stunting is a process of suppressing growth from unfavourable conditions. The protein supplementation during stunting gives scope to maintain the nutrient reserves of fish and its quality. Methods: A feeding trial was conducted for eight months to study the effect of three hetero-nitrogenous diets with 25% (control), 30% (T1) and 35% (T2) crude protein (CP) levels on growth and physio-metabolic responses of Chanos chanos fingerlings during stunting. Milk fish fingerlings with a mean body weight of 11.71±0.18 g were stocked in earthen ponds @ 20 no/m2 in each replicate (n=3) was fed @ 2% biomass throughout the experiment. Result: Fish fed with T1 diet showed better specific growth rate (0.64±0.01% d-1), weight gain percentage (362.56±14.95) and protease activity (7.53±0.25 U/mg protein). Whereas, lower activity was observed for the enzyme assay, namely superoxide dismutase (45.41±2.50 U/min/mg protein), aspartate aminotransferase (34.01±1.88 U/min/mg protein) and alanine aminotransferase (39.64±0.64 U/min/mg protein). Hence, it may be concluded that the dietary protein inclusion level of 30% CP showed better growth performance and lower physio-metabolic response in milkfish fingerlings during the stunting.
- Subjects
DIETARY proteins; STUNTED growth; FINGERLINGS (Fish); ALANINE aminotransferase; WEIGHT gain; ASPARTATE aminotransferase; SUPEROXIDE dismutase
- Publication
Indian Journal of Animal Research, 2022, Vol 56, Issue 4, p444
- ISSN
0367-6722
- Publication type
Article
- DOI
10.18805/IJAR.B-4813