Optimum dietary carbohydrate requirement of rohu, Labeo rohita (Hamilton), fingerlings

Saha, Amlan Krishan; Ray, Arun Kumar

doi:10.3750/aip2001.31.1.05

Cited by 7 publications

(5 citation statements)

References 35 publications

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“…In largemouth bass, Micropterus salmoides (Amoah et al., ); red sea bream, Pagrus major (Sugita et al., ); cod, Gadus morhua (Hemre et al., ); and Atlantic salmon, Salmo salar L. (Hemre et al., ) dietary carbohydrate levels >20% negatively impacted their growth. However, sunshine bass ( M. chrysops ♀ × M. saxatilis ♂) (Nematipour et al., ) and rohu, Labeo rohita (Saha and Ray, ) were able to utilize ≤30% dietary carbohydrates, and the results of present study were in agreement with these studies.…”

Section: Discussionsupporting

confidence: 90%

Effects of dietary dextrin on growth, feed utilization and body composition of juvenile Chinese sturgeon,Acipenser sinensisGray, 1835

Liu

Huang

et al. 2014

J. Appl. Ichthyol.

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Section: Discussionsupporting

confidence: 90%

Effects of dietary dextrin on growth, feed utilization and body composition of juvenile Chinese sturgeon,Acipenser sinensisGray, 1835

Liu

Huang

et al. 2014

J. Appl. Ichthyol.

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“…A sufficient amount of carbohydrates in herbivorous fish diets can produce a protein-sparing effect, where a more significant portion of dietary protein is used for growth than body maintenance. It is suggest that at least 40% dietary carbohydrate is required for the optimum growth of L. rohita [18,19]. The carbohydrate content of the feeds in this experiment ranged from 42.53±0.29% (CF) to 46.18±0.14% (EG), which satisfies the recommended carbohydrate requirement for L. rohita.…”

Section: Proximate Composition Of Feedssupporting

confidence: 55%

Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Islam,

Hosen,

Zaman

et al. 2023

AJFAR

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Aims: The study compared the effects of three growth promoters enriched farm-made feeds with a commercial carp grower feed on growth, flesh compositions and palatability, and economics of Labeo rohita culture. Study Design: The study was carried out through four treatments with three replications in each treatment. A commercial carp feed was used as control (T1, without growth promoter) and three experimental feeds were formulated by using locally available ingredients with the addition of three growth promoters viz., charger gel (CG), eon fish grower (EG) and aquazyme plus (AP) treated as T2, T3 and T4, respectively. Fifteen juveniles of L. rohita with initial weights ranging from 131.17±9.60g to 133.33±8.84g were stocked in each cage (96ft3) and served a daily ration of 5% body weight. Place and Duration of Study: The study was conducted in 12 cages set in an experiment pond at the Department of Fisheries, University of Rajshahi, Bangladesh for 80 days (June-August, 2022). Methodology: Growth and feed utilization parameters by means of weight gain (WG), specific growth rate (SGR), feed conversion ratio (FCR), and chemical composition viz., crude protein, lipid, carbohydrate, fiber, ash and moisture content of feed and fish flesh along with palatability indicators viz., odor, taste and texture were evaluated according to standard formulae, AOAC methods and organoleptic sensory technique, respectively. Results: CG, EG, and AP enriched feed exhibited significantly better growth performance, feed efficiency, flesh composition and palatability indicators compared to the control feed. Additionally, CG enriched feed was the most economically efficient followed by EG and AP enriched feed in terms of feed cost/kg production. Conclusion: The findings conclude that charger gel enriched farm-made feed is more economical and yields better growth and flesh quality of L. rohita than the selected commercial feed.

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“…This observation is in agreement with Furuichi and Yone (1982a), who reported that growth and feed efficiency of carp were highest when fed the G starch based diet. Saha and Ray (2001) also reported that 40% NG starch in the diet registered maximum growth performance in L. rohita fingerlings. It has been demonstrated that, when compared to raw starch, the incorporation of G starch has beneficial effects on growth and feed efficiency of teleost species (Furuichi et al., 1987; Jeong et al., 1992a; Takeuchi et al., 1992; Kaushik and Medale, 1994; Dias et al., 1998).…”

Section: Discussionmentioning

confidence: 84%

Gelatinized to non‐gelatinized starch ratio in the diet of Labeo rohita: effect on digestive and metabolic response and on growth

Kumar

Sahu

Pal

et al. 2008

Animal Physiology Nutrition

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A 60-days experiment was conducted to study the optimum gelatinized (G) to non-gelatinized (NG) starch ratio in the diet of Labeo rohita juveniles with respect to digestive and metabolic response and on growth. Two-hundred and thirty-four juveniles (avg. wt 2.53 +/- 0.04 g) were randomly distributed in six treatment groups with each of three replicates. Six semipurified diets either containing NG and/or G corn starch viz., T(1) (100% NG, 0% G starch), T(2) (80% NG, 20% G starch), T(3) (60% NG, 40% G starch), T(4) (40% NG, 60% G starch), T(5) (20% NG, 80% G starch) and T(6) (0% NG, 100% G starch) were prepared. The dry matter digestibility and carbohydrate digestibility were highest (p < 0.05) in T(6) group and lowest in T(3) and T(4) groups. The amylase activity in intestine increased as G:NG level increased in the diet. Protease activity in intestine was highest in T(6) group and lowest in T(1) group. Similar trend was recorded for specific growth rate, protein efficiency ratio and apparent net protein utilization. Liver glycogen, hepatosomatic index and blood glucose level increased linearly with the increasing level of G starch in the experimental diet. The results indicate that higher nutrient digestibility and growth was recorded either at low (20% G starch, T(2)) or high (100% G starch, T(6)) G starch fed group. But high G starch fed group (T(6)) exhibits higher liver glycogen and blood glucose level, which may lead to stress due to long-term feeding. Hence, it is suggested that 20% G and 80% NG starch is optimum for better nutrient digestibility and growth in L. rohita juveniles.

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Optimum dietary carbohydrate requirement of rohu, Labeo rohita (Hamilton), fingerlings

Cited by 7 publications

References 35 publications

Effects of dietary dextrin on growth, feed utilization and body composition of juvenile Chinese sturgeon,Acipenser sinensisGray, 1835

Effects of dietary dextrin on growth, feed utilization and body composition of juvenile Chinese sturgeon,Acipenser sinensisGray, 1835

Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Gelatinized to non‐gelatinized starch ratio in the diet of Labeo rohita: effect on digestive and metabolic response and on growth

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