Growth rate, feed utilization and energy metabolism of the African catfish, Clarias gariepinus (Burchell, 1822), as affected by dietary protein and energy content

doi:10.1016/0044-8486(85)90226-1

Aquaculture

Volume 44, Issue 4, 15 March 1985, Pages 271-284

https://doi.org/10.1016/0044-8486(85)90226-1 Get rights and content

Abstract

Three feeding experiments were conducted in open circuit balance respirometers, to determine the effect of dietary protein level on growth rate, feed utilization and energy metabolism of Clarias gariepinus (Burchell). The feeding level was 2% of the fresh body weight per day. Three energy levels, 8.4, 12.6 and 16.8 kJ calculated metabolizable energy (ME) per gram of feed, were used, while crude protein levels in the diets were 20, 25, 30, 35 and 40%.

Growth rate, heat production, metabolizability (ME as percentage of gross energy intake) and protein gain were maximal at the intermediate energy level. Digested protein per gram of growth was lowest at this energy level (determined ME = 13 kJ/g). Growth rate, metabolizability and protein gain increased as protein intake increased. There was no effect of the different protein levels on heat production. The efficiency of protein gain (% of the digestible protein intake) was highest (45–49%) at the intermediate energy level. Efficiency of protein gain (% of digestible intake) decreased slightly when protein intake increased. ME intake per gram of growth was minimal at the 8.4 kJ energy level and decreased at higher protein intake levels.

At the highest energy level, growth rate was reduced compared to the intermediate energy level, but efficiency of energy gain, retention of fat and energy were highest. Much of the dietary fat was deposited as lipid reserves. After 4 weeks the growth rate, digestibility, metabolizability, and efficiency of protein- and energy gain (% of digestible or metabolizable intake respectively) were strongly reduced at this energy level.

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Feeding de-oiled rice bran (DORB) to Rohu, Labeo rohita: Effect of varying dietary protein and lipid level on growth, body composition, and insulin like growth factor (IGF) expression
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Fat-enriched high-energy diets result in rapid growth and favorable feed conversion (Steffens, 1996). Many authors have reported the protein sparing effect of lipid viz., Yellow tail (Shimeno et al., 1985); African catfish (Machiels and Henken, 1985); Chinook salmon (Silver et al., 1991). Fish growth is affected by several environmental factor such as temperature (Ranjan et al., 2018c), photoperiod and food availability and is under genetic control (Moriyama et al., 2000).
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^☆: Clarias lazera (Cuvier & Valenciennes, 1840) and Clarias gariepinus (Burchell, 1822) are synonyms. Recently the nomenclature of the African Clarias species has been revised (Teugels, 1984).

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Aquaculture

Abstract

References (19)

Effect of dietary protein, lipid and energy content on the growth of turbot (Scophthalmus maximus L.)

Aquaculture

Optimum dietary protein to energy ratio for channel catfish fingerlings, Ictalurus punctatus

J. Nutr.

Controlled propagation of the African catfish, Clarias lazera (C. & V.). III. Feeding and growth of fry

Aquaculture

Controlled propagation of the African catfish, Clarias lazera (C. & V.). IV. Effect of feeding regime in fingerling culture

Aquaculture

Growth and production of the African catfish, Clarias lazera (C. & V.). III. Bioenergetic relations of body weight and feeding level

Aquaculture

An open circuit balance respirometer for bioenergetic studies of fish growth

Aquaculture

Growth and production of the African catfish, Clarias lazera (C. & V.). II. Effects of body weight, temperature and feeding level in intensive tank culture

Aquaculture

The effects of varying dietary protein level on the growth, food conversion, protein utilization and body composition of junveile tilapias (Sarotherodon mossambicus)

Aquaculture

The response of rainbow trout to varying protein/energy ratios in a test diet

J. Nutr.

Cited by (61)

TiO<inf>2</inf> nanoparticles enhanced bioaccumulation and toxic performance of PAHs via trophic transfer

Feeding de-oiled rice bran (DORB) to Rohu, Labeo rohita: Effect of varying dietary protein and lipid level on growth, body composition, and insulin like growth factor (IGF) expression

Relationships between body burdens of trace metals (As, Cu, Fe, Hg, Mn, Se, and Zn) and the relative body size of small tooth flounder (Pseudorhombus jenynsii)

Mineral status of African catfish (Clarias gariepinus) fed diets containing graded levels of soybean or cottonseed meals

Archer Fish Biology

Effects of Dietary Protein-to-Energy Ratios on Growth, Immune Response, Antioxidative Capacity, Liver and Intestinal Histology, and Growth-Related Gene Expression in Hybrid Yellow Catfish (Pelteobagrus fulvidraco ♀ × Pelteobagrus vachelli ♂)

Growth rate, feed utilization and energy metabolism of the African catfish, Clarias gariepinus (Burchell, 1822), as affected by dietary protein and energy content☆

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