Production of Six- to Eight-Inch Largemouth Bass for Special Purposes

Snow, J. R.

doi:10.1577/1548-8640(1968)30[144:postel]2.0.co;2

Cited by 25 publications

(19 citation statements)

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“…The same pattern was observed in this work. The weight gain of peacock bass, ranging from 0.1 to 0.17 g/day, was similar to that obtained for black bass during feed training, when semi-moist pellets were used -0.1 to 0.13 g/day, but somewhat inferior to that recorded for the flounder (Solea solea) -0.8 to 1.4 g/day (Snow, 1968;Anderson, 1974;Fuchs, 1982a, b;McCraren, 1975;Kubitza, 1995b;Sloane & Lovshin, 1995;Kubitza & Lovshin, 1997a).…”

Section: Discussionsupporting

confidence: 72%

“…The efficiency of conditioning can be estimated by the Retention of Feed Behavior (RTB), expressed as the percentage of the total number of feeders harvested in relation to the total number of fish stocked (Anderson, 1974). The development of novel techniques made possible, for instance, to increase the values of RTB of black bass from 40% in the 60's to 99.5% in the 90's (Snow, 1968;Anderson, 1974;Flickinger et al, 1975;Brandenburg et al, 1979;Williamson, 1981;Sloane & Lovshin, 1995).…”

Section: Introductionmentioning

confidence: 99%

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Feed training of peacock bass (Cichla sp.)

Moura

Kubitza²,

Cyrino

2000

Rev. Bras. Biol.

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The Amazonian cichlid peacock bass (Cichla sp.) is a highly marketable food and sport fish, therefore a suitable species for aquaculture. However, because of its piscivorous feeding preferences, the species does not accept dry feeds voluntarily, turning its intensive culture difficult and costly. This study aimed to wean fingerling peacock bass from inert moist food to dry diets. In a first experiment, 1,134 fingerlings weighting 0.27 g were divided in two 0.37 m 3 hapas and fed ground fish flesh with 35% success. Then, 1.3 g fish were pooled, stocked in six 25 L cages and fed two pellet sequences with 80%, 60%, 40%, 20% and 0% ground fish flesh (GFF). One sequence was flavored with 10% krill meal (Euphausia sp.). Training success of fish fed the GFF-00 diet flavored with krill reached 12% a compared to 11.6% a (p < 0.05) for diets without krill meal. A second experiment was set up with 969, 1.5 g fish, trained with GFF with 39.8% success. After the feed training period, 2.2 g fish were then fed a sequence of moist pellets containing 80%, 60% and 45% GFF. Fish trained to feed on moist pellets with 45% ground fish were pooled and stocked into nine 25 L cages. Fish were weaned to dry pellets without ground fish flesh (GFF-00) using three diet sequences: 1) dry pellets; 2) moist pellets; and 3) dry pellets flavored with 4% cod liver oil; all three diets contained 30, 10 and 0% GFF. The three sequences yielded, respectively 30.8% a , 23.6% a , and 24.7% a (p < 0.05) fish feeding on GFF-00. There were no apparent beneficial effects of increasing moisture or addition of cod liver oil as flavor enhancers in the weaning diets. This study revealed the feasibility of training peacock bass to accept dry pellets, but feeding young fish ground fish flesh seemed to be a major bottleneck in improving feed training success.Key words: tucunaré, Cichla sp., feed training, palatability enhancers. RESUMO Condicionamento alimentar do tucunaré Cichla sp.O ciclídeo amazônico tucunaré (Cichla sp.) tem atraído a atenção de técnicos e piscicultores porque é um peixe tanto esportivo como de mesa. Entretanto, devido ao hábito alimentar carnívoro, a espécie não aceita voluntariamente dietas secas, o que inviabiliza sua utilização em criação intensiva. O objetivo do presente estudo foi condicionar alevinos de tucunaré a ingerir dietas secas inertes, visando viabilizar sua utilização em piscicultura. Em um primeiro experimento, 1.134 alevinos com 0,27 ± 0,1 g foram condicionados a ingerir filé de peixe moído (FP-100), obtendo-se um sucesso de condicionamento de 31,8%. Esses peixes foram estocados em seis gaiolas de 25 L recebendo duas seqüências de dietas contendo 80%, 60%, 40%, 20% e 0% de filé de peixe, sendo uma delas flavorizada com 10% de farinha de krill (Euphausia sp.) (FK). Não foram observadas diferenças estatisticamente significativas entre os tratamentos. Em um segundo experimento, 969 peixes com 1,7 ± 1,0 g foram condicionados a ingerir uma dieta inerte a partir de uma dieta inicial FP-100, conseguindo-se um sucesso de 39,...

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Section: Discussionsupporting

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Feed training of peacock bass (Cichla sp.)

Moura

Kubitza²,

Cyrino

2000

Rev. Bras. Biol.

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“…Les oeufs embryonnés sont traités deux fois avec de la tetracycline à la dose de 5 ppm. En se référant aux besoins trophiques de l'espèce et aux essais d'élevage et d'alimentation artificielle rapportés dans la littérature (TURNER et KRAATZ, 1920 ;HAYFORD, 1927HAYFORD, et 1933MEEHEAN, 1939 ;MURPHY, 1949 ;PRATHER, 1^51 ;SAR-BAHI, 1951 ;LAGLER et KRAUSE, 1953 ;HUNT et McDONALD, 1954 ;LAWRENCE, 1958 ;HUNT, 1960 ;SNOW, 1960SNOW, a, 1968SNOW, , 1969SNOW, , 1971SNOW, a, 1972LEWIS et al, 1961 et 1 974 ;MOLNAR et TOLG, 1962 ;LEWIS et HELMS, 1964 ;WRIGHT, 1970 ;BEAMISH, 1972 ;ESPINOSAet DEACON, 1973 ;NIIMI et BEAMISH, 1974 ;TANDLER et BEAMISH, 1980, les alevins de black-bass, à partir de la taille de 2,5-3 cm, ont été alimentés avec de la nourriture artificielle. Elle était composée pour 70 %de broyât de poissons (carassin, rotengle, gardon, poisson-chat, ablette), pour 20 % de granulé à …”

Section: Pisciculture Du Black-bassunclassified

Le black-bass (Micropterus salmoides Lacép.) dans les eaux italiennes. Un antagoniste du brochet ?

Alessio

1984

Bull. Fr. Piscic.

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RÉSUMÉLe black-bass à grande bouche est largement répandu dans les eaux italiennes et fait l'objet de repeuplement. Les alevins et estivaux nécessaires proviennent le plus souvent de la vidange automnale des étangs à cyprinidés avec lesquels ils sont élevés.Il n'y a pas vraiment d'élevage contrôlé de cette espèce en Italie, mais seulement une série d'essais qui portent sur la reproduction naturelle en étangs-frayères, l'introduction de nids artificiels dans le milieu et l'induction de la ponte par traitement hypophysaire (avec HCG), essais qui donnent des résultats satisfaisants.Dans le milieu naturel, la croissance en longueur et en poids du black-bass en Italie est comparable et quelquefois meilleure que celle enregistrée sur ses lieux d'origine. La croissance annuelle est d'abord lente (printemps), puis rapide (été), ensuite à nouveau lente (automne) pour être finalement modeste ou pratiquement nulle en hiver.La population qui, avec des fluctuations annuelles, représente 0,5 à 1,6 % de l'ichthyofaune des eaux étudiées (fleuves Pô, Sesia et Ticino), est constituée surtout de sujets jeunes : environ 40 % des individus sont âgés de 2 hivers et ne dépassent pas un poids de 400 g et une longueur totale de 28 cm. La survie est considérée comme bonne avec une durée de vie de 8 à 9 hivers. La nourriture présente un spectre très large et est basée de préférence sur des petits poissons et sur les amphibiens, avec une large partie d'invertébrés (surtout des insectes). La reproduction intervient aux mois de mai et juin, mais elle peut être aussi plus précoce et, le plus souvent, plus tardive. Le black-bass est très sensible aux pollutions, mais ne semble pas particulièrement affecté par des épizoo-ties ou du parasitisme.Par rapport à la niche écologique occupée, à son spectre trophique, à son rôle dans les équilibres biologiques et à ses caractéristiques éthologiques, le black-bass ne peut pas être considéré comme un antagoniste du brochet, exclusivement carnassier et prédateur, avec lequel il peut même cohabiter. SUMMARY The black-bass, Micropterus salmoides (Lacép.), in Italian waters. A competitor of pike ?The black-bass, often used in restocking, is now a widespread species in Italy. " Seedlings " are often recruited from polycultural fish ponds when these are drained.Some fish farmers produce fry and summerlings in spawning ponds, but there is no actual rearing. Egg spawning and development in artificial nests have only recently been tested. Experiments to induce sexual maturity and spawning by injecting hypophyseal extracts and/or gonadotropines have also been tried with success.The dimensional and pondéral growth of black-bass in natural habitats is comparable to or even better than the growth usually reported. Yearly growth, at first slow (spring), increases (summer), then slows down again (fall) and finally becomes almost imperceptible or practically stops (winter).Accounting for annual fluctuations, the black-bass population in the waters we studied (Po, Sesia and Ticino rivers) made up 0.5 to 1.6 % of the tota...

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“…The FCR probably represented an improvement over the I960 and 1961 studies as only live fish harvested were used to calculate feed conversion. Snow (1968a) reported on a series of experiments performed in 1964,1965, and 1966 (Table 2). Results from the 1964 and 1965 experiments showed acceptable numbers of feeders were obtained using a ground beef liver/fish/dry trout feed diet.…”

Section: // Feed Training a Dietmentioning

confidence: 99%

“…The 25 to 50 mm fingeriings produced were stocked into public and private waters. The desire to use largemouth bass for corrective restocking in unbalanced fish populations (Snow, 1968a), for quickly establishing bass populations in new farm ponds (Satterfield and Flickinger, 1986), and for research purposes (Snow, 1968a) has created a demand for larger fish. Meehean (1939) avg.…”

Section: / Introductionmentioning

confidence: 99%

Feed training and intensive production of advanced largemouth bass fingeriings: A review

Sloane¹,

Lovshin

1995

Reviews in Fisheries Science

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A review of published scientific and hatchery production data concerning the feed training of largemouth bass and their culture to advanced fingeriings is presented. The review concludes that largemouth bass can be trained successfully to accept a prepared diet The best training diet is a semimoist formulation. The optimal training size is 1.0 g 05 to 50 mm) and stocking density is 4 to 8 kg/m 3 of water. Bass fry between 10 and 20 mm can be trained to a prepared diet, but with a lower success rate and greater expense. Training success is greatest using northern strain largemouth bass fingeriings. In a 10-to 14-d training period, approximately 70% of the fish stocked will be trained. Approximately 65% of the fingeriings trained to a semimoist pellet can be converted to a dry, floating pellet suitable for pond grow-out Fish growth rate during training is approximately 0.05 g/d.Largemouth bass are stocked into ponds at 25,000 to 50,000/ha and fed a floating trout pellet at 5 to 10% of their body weight daily. At the end of the first growing season, bass should reach 75 to 100 g with a growth rate of 0.5 g/d and 75% survival. Yields in static water ponds without aeration are unlikely to surpass 2000 kg/ha. Yields over 4000 kg/ha have been obtained in ponds with aeration and water exchange. Northern strain largemouth bass appear best for intensive culture to advanced fingeriings.

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Production of Six- to Eight-Inch Largemouth Bass for Special Purposes

Cited by 25 publications

References 0 publications

Feed training of peacock bass (Cichla sp.)

Feed training of peacock bass (Cichla sp.)

Le black-bass (Micropterus salmoides Lacép.) dans les eaux italiennes. Un antagoniste du brochet ?

Feed training and intensive production of advanced largemouth bass fingeriings: A review

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