Production de &lt;i&gt;Oreochromis niloticus&lt;/i&gt; avec des aliments à base de sousproduits agricoles

Bamba, Yacouba; Amidou, Ouattara; Costa, KS Da; Gourène, Germain

doi:10.4314/scinat.v5i1.42155

Cited by 16 publications

(17 citation statements)

References 10 publications

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“…With Oreochromis niloticus's fingerlings fed on different levels of maltose, the condition factors were 1.64, 1.77, 1.74, 1.72 and 1.79 [60]. The survival rates recorded in the present experiment are satisfactory and similar to those reported for Oreochromis niloticus in the literature: 65.02 ± 4.71% [2], 79.34 ± 6.55% to 94.2 ± 2.48% [48], 52.85% [24], 80% and 95-100% [61], 97.5 and 98.2 [53]. [51] indicate the survival rate equal to 90.20(0)% for Bouaké strain, 94.24(3.09)% for Daloa strain and 89.69(1.55)% for Burkina Faso strain.…”

Section: Discussionsupporting

confidence: 84%

“…The linear specific growth rates recorded in the present study are similar to those reported for Oreochromis niloticus by [24] in Ivorian lagoons (0.48 % day -1 ). The nutritive quotients recorded in this study are higher than those observed by [48], [55] in fish tanks and ponds to "Côte d'Ivoire". Indeed, depending on the alimentary treatment, fry of Oreochromis niloticus subjected to a diet without fish meal have shown the nutritive quotients of 0.98 and 1.3 in the rearing tanks [55].…”

Section: Discussioncontrasting

confidence: 74%

“…Indeed, depending on the alimentary treatment, fry of Oreochromis niloticus subjected to a diet without fish meal have shown the nutritive quotients of 0.98 and 1.3 in the rearing tanks [55]. Oreochromis niloticus fingerlings reared under the stocking densities of 10 individuals m -2 and 13 individuals m -2 showed the nutritive quotients ranging from 1.13 to 1.87 [48]. In Congo, [56] relate the respective nutritive quotients of 10.2 ± 0.2 and 12.2 ± 6.3 in Oreochromis niloticus ponds and floating cage.…”

Section: Discussionmentioning

confidence: 99%

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Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)

Amoussou¹,

Toguyéni²,

Toko³

et al. 2017

ijSciences

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Abstract:The effect of geographical origin on the zootechnical parameters of tilapias is very poorly documented, unlike production systems and farming methods. In this study, the growth and survival characteristics of Oreochromis niloticus individuals were analyzed in relation with their waterway of origin, sex and age at experimental fishing. Durung the rearing, the duplicate groups were constituted keeping the 2 sexes (male vs female) separately. Fingerlings were fed using a granulated commercial fish feed (35% of proteins; 3 mm in diameter). Apart from chlorophyll «a», 3 phytoplankton and 5 zooplankton species were also available in the rearing tank. The body weight, total length, standard length, average weight gain, nutritive quotient and survival rate were similar (p>0.05) between lake Toho and Couffo river but weaker at these two waterways than Ouémé river (p<0.05). The ponderal and linear specific growth rates were significantly identical between lake Toho and Couffo river but more important (p<0.001) in these two waterways than Ouémé river. The majority of the individuals indicated an allometric growth (b<3), which is less desirable in fish farming. In short, 2 populations were identified: the group constituted by Ouémé river and the one including lake Toho and Couffo river. It appears important to lead actions (selective breeding, crossbreeding) to improve the zootechnical performances of these local populations in order to promote their aquaculture.

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Section: Discussionsupporting

confidence: 84%

Section: Discussioncontrasting

confidence: 74%

Section: Discussionmentioning

confidence: 99%

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Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)

Amoussou¹,

Toguyéni²,

Toko³

et al. 2017

ijSciences

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“…The cost of feed represents a significant part of the production cost, which limits the economic value of aquaculture (Tacon,1996;Hoffman et al, 1997;Siddhuraju and Becker, 2003;Fiogbe et al, 2004). Fishmeal is the major ingredient that contributes to the cost of feeds (Bamba et al, 2008), which is used as the main source of protein in fish feeds due to its richness in essential amino acids (EAAs) which meets the nutritional requirements of fish (El-Saidy and Gaber, 2004;Azaza et al, 2005;Imorou Toko et al, 2008;Abarike et al, 2013). The use of agricultural byproducts to replace fishmeal has already yielded encouraging results (Medale et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Effect of total replacement of fishmeal by earthworm and Azolla filiculoides meals in the diets of Nile tilapia Oreochromis niloticus (Linnaeus, 1758) reared in concrete tanks

Djissou

Ochiai²,

Koshio³

et al. 2017

Indian J. Fish.

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In order to eliminate use of fishmeal in aquafeeds, we evaluated the effect of total replacement of fish meal by a mixture of earthworm (Eisenia foetida) and aquatic fern Azolla filiculoides in the diets of Nile tilapia Oreochromis niloticus (Linnaeus, 1758). The experiment was conducted in O. niloticus fingerlings (initial mean weight = 5.6±0.2 g) for a period of 60 days. Five experimental diets isoproteic (30.4±0.6% protein) comprising control diet A0 and four test diets (A1 to A4) without fish meal were formulated. To satisfy essential amino acids requirements in test diets, the ratios 2:1; 1:1; 1:2; 1:5 between A. filiculoides and earthworm meals were used respectively in total replacement of fish meal. The diets were tested in triplicate. On termination of the experiment, the final mean weights in the test diets (10.79 to 11.94 g) were lower than 14.9 g obtained in group fed control diet (p<0.05). The best growth performance and feed utilisation were obtained in fish fed test diets A1 and A4 (SGR = 1.25 and 1.26% day-1; FCR = 2.37 and 2.31 respectively). Excess of lysine in test diets was found to affect the feed utilisation.

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“…Weight gain (WG) = final w eight -initial w eight as in Kang"ombe et al (2006) Average w eight gain (AWG) = final mean w eight/final number of fish as in Belal et al (2015) Daily w eight gain (DWG) = AWG*breeding period -1 as in Imorou Toko (2007); Kapute et al (2016) Ponderal specific grow th rate (PSGR) = 100*[ln((final mean fish w eight)-ln(initial mean fish w eight))*breeding period -1 ] as in Gbaï et al (2014) Linear specific grow th rate (LSGR) = 100*[ln((final mean fish total length)-ln(initial mean fish total length))*breeding period -1 ] as in Gbaï et al (2014) Nutritive quotient (NQ) = quantity of dry food distributed*w eight gain -1 as in Bamba et al (2008) Survival rate (SR) = 100*(final number of fish*initial number of fish -1 ) as in Bamba et al (2008) Net biomass (NB) = final biomass -initial biomass as in Bamba et al (2008) Biomass per square meter (BPM) = net biomass*surface area -1 as in Kang"ombe et al (2006); Bamba et al (2008).…”

Section: Discussionmentioning

confidence: 99%

Evaluation of zootechnical and reproductive parameters of wild populations of Sarotherodon melanotheron Rppell, 1852 of Southern Benin raised in captivity

Amoussou¹,

Toguyéni²,

Toko³

et al. 2017

Int. J. Fish. Aquac.

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Tilapia Sarotherodon melanotheron is naturally adapted to both fresh and brackish environments. In order to improve its farming potential, this study evaluated the growth, survival and reproduc tive parameters of individuals from three lakes of southern Benin according to their sex and age at experimental fishing. During fry rearing and breeding, fish were fed with commercial feed granulated. The chlorophyll a concentration and the abundance of plankton were determined by molecular absorption spectrometry and under a light microscope respectively. Physico -chemical parameters were within acceptable limits for good survival and growth of S. melanotheron. Together with chlorophyll a, three phytoplankton species and five zooplankton species were also available in the rearing tanks. At the end of the experiment (90 days post nursery), most of the growth parameters did not vary significantly according to the waterway of origin and the sex. However, the a ge at experimental fishing influenced significantly most of the growth parameters. The individuals from Lake Nokoué and Lake Toho were characterized by higher body weight, total length, standard length, weight gain, average weight gain, daily weight gain, nutritive quotient, survival rate, net biomass, biomass per square meter while Grand-Popo Lagoon individuals were characterized by higher ccondition factor and a weak ponderal and linear specific growth rates. Overall, reproductive parameters were higher i n females than males. The majority of males were with empty testicles, while females with ova were expelled by manual pressure. S. melanotheron individuals from the considered lakes can be recommended for selective breeding program in fresh and brackish wa ters.

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Production de <i>Oreochromis niloticus</i> avec des aliments à base de sousproduits agricoles

Cited by 16 publications

References 10 publications

Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)

Effects of Hydrogeographical Origin on Zootechnical Parameters of Wild Populations of Oreochromis niloticus (Linnaeus, 1758)

Effect of total replacement of fishmeal by earthworm and Azolla filiculoides meals in the diets of Nile tilapia Oreochromis niloticus (Linnaeus, 1758) reared in concrete tanks

Evaluation of zootechnical and reproductive parameters of wild populations of Sarotherodon melanotheron Rppell, 1852 of Southern Benin raised in captivity

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