Effects of dietary starch and energy levels on maximum feed intake, growth and metabolism of Nile tilapia, Oreochromis niloticus

Tran‐Duy, An; Smit, Ben; Dam, A. A. van; Schrama, J.W.

doi:10.1016/j.aquaculture.2008.03.004

Cited by 51 publications

(59 citation statements)

References 62 publications

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“…Also, an increased body fat level in the trout fed diets with a high amount of fat did not negatively affect DEI, as would be expected to occur via lipostatic feedback mechanisms (12). On the contrary, our data show a slightly increased DEI with increasing body fat content, in line with other reports in fish (7,11,17,34).…”

Section: Discussionsupporting

confidence: 89%

“…It has often been suggested that fish, like other animals, adjust their voluntary feed intake according to the digestible energy content of the diet in order to meet a predefined energy requirement (2)(3)(4). However, recent findings in rainbow trout (5)(6)(7)(8)(9)(10) and other teleosts (6,11,12) contradict the notion that feed intake is adjusted to have a constant digestible energy intake (DEI) 6 . Similarly, the demand for a target lean growth or protein deposition rather than for a predefined energy requirement has been proposed to regulate feed intake in fish (8,10,13,14).…”

Section: Introductionmentioning

confidence: 95%

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Voluntary Feed Intake in Rainbow Trout Is Regulated by Diet-Induced Differences in Oxygen Use

Saravanan

Geurden

Figueiredo-Silva

et al. 2013

The Journal of Nutrition

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This study investigated the hypothesis that the voluntary feed intake in fish is regulated by diet-induced differences in oxygen use. Four diets were prepared with a similar digestible protein:digestible energy ratio (18 mg/kJ), but which differed in the composition of nonprotein energy source. This replacement of fat (F) by starch (S) was intended to create a diet-induced difference in oxygen use (per unit of feed): diets F30-S70, F50-S50, F65-S35, and F80-S20 with digestible fat providing 28, 49, 65, and 81% of the nonprotein digestible energy (NPDE), respectively. Each diet was fed to satiation to triplicate groups of 20 rainbow trout for 6 wk. As expected, diet-induced oxygen use decreased linearly (R(2) = 0.89; P < 0.001) with increasing NPDE as fat. The digestible and metabolizable energy intakes of trout slightly increased with increasing NPDE as fat (i.e., decreasing starch content) (R(2) = 0.30, P = 0.08; and R(2) = 0.34, P = 0.05, respectively). Oxygen consumption of trout fed to satiation declined with increasing dietary NPDE as fat (R(2) = 0.48; P = 0.01). The inverse relation between digestible energy intake of trout and the diet-induced oxygen use (R(2) = 0.33; P = 0.05) suggests a possible role of diet-induced oxygen use in feed intake regulation as shown by the replacement of dietary fat by starch.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 95%

Voluntary Feed Intake in Rainbow Trout Is Regulated by Diet-Induced Differences in Oxygen Use

Saravanan

Geurden

Figueiredo-Silva

et al. 2013

The Journal of Nutrition

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“…The same trend was also observed with fish fed the DDGS diet. Except for hydrolysed feather meal, the protein efficiency values reported in the current study are comparable to other studies for Nile tilapia (Kaushik et al, 1995, Tran-Duy et al, 2008b, Figueiredo-Silva et al, 2013.…”

Section: Digestibility and Introgen/energy Balancesupporting

confidence: 79%

Feeds, water quality, gut morphology and digestion in Nile tilapia (Oreochromis niloticus)

Kim¹

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“…Though diet 3 (rice bran-based diet) performed well, Diet 1(WB-based diet) demonstrated the best growth because the crude fibre levels were lower. In addition, the NFE a measure of the carbohydrate level in diets (Mohanta et al, 2007;Tran-Duy et al, 2008) was higher in Diet 1 than in Diet 3 suggesting a greater the protein sparing effect (that is, the use of carbohydrate to spare the use of protein for energy purposes). This is because, more energy in the form of NFE was available in Diet 1 than it is in Diet 3 to spare the use of protein as an energy source.…”

Section: Growth Performance Of Fingerlings O Niloticusmentioning

confidence: 99%

Growth and economic performance of fingerlings of Oreochromis niloticus fed on different non-conventional feeds in out-door hapas at Akosombo in Ghana

Abarike¹,

Obodai²,

Attipoe³

2013

Afr. J. Agric. Res.

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. They were fed to fingerlings of O. niloticus of average weight 7.0 ± 0.23 g stocked at 20 fish m -3 in out-door hapas for a period of 24 weeks. The study revealed that fish which were fed on Diet 1 grew significantly (P < 0.05) faster than those fed on the other diets. Fish growth was least on those fed on Diet 4. The incidence cost (IC) was highest (P < 0.05) in fish fed Diet 4 and lowest (P < 0.05) for fish fed Diet 2. The profit index was highest (P < 0.05) for fish fed diet 2 and lowest (P < 0.05) for fish fed Diet 2. O. niloticus fingerlings fed WB based diet produced the fastest growth while fingerlings fed PM based diet was the most cost-effective diet.

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Effects of dietary starch and energy levels on maximum feed intake, growth and metabolism of Nile tilapia, Oreochromis niloticus

Cited by 51 publications

References 62 publications

Voluntary Feed Intake in Rainbow Trout Is Regulated by Diet-Induced Differences in Oxygen Use

Voluntary Feed Intake in Rainbow Trout Is Regulated by Diet-Induced Differences in Oxygen Use

Feeds, water quality, gut morphology and digestion in Nile tilapia (Oreochromis niloticus)

Growth and economic performance of fingerlings of Oreochromis niloticus fed on different non-conventional feeds in out-door hapas at Akosombo in Ghana

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