Rações comerciais e o rendimento de carcaça e subprodutos de rã-touro

Casali, Alex Poeta; Moura, Onofre Maurício de; Lima, Sergio Monteiro

doi:10.1590/s0103-84782005000500029

Cited by 11 publications

(7 citation statements)

References 2 publications

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“…Frog meat has high protein content, a high proportion of unsaturated fatty acids, complete and balanced amino acids [1], low lipid content, and low cholesterol [2], while also being a good source of minerals and amino acids [3]. In many African countries (e.g., Burkina Faso, Cameroon, Ghana, Guinea, Nigeria, and Namibia), frogs are consumed as an essential animal protein source [4,5].…”

Section: Introductionmentioning

confidence: 99%

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Huong,

Huang,

Nam

et al. 2024

Journal of Applied Ichthyology

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We studied the effects of salinity on the egg fertilization, hatching, and tadpole growth and survival rates of the Thailand frog (Rana tigerina Dubois, 1981), an introduced species that is commonly cultured in the Mekong Delta, Vietnam. Salinity levels of 2, 6, and 4% significantly affected the fertilization and hatching rates of the eggs, as well as the tadpole survival rates from the newly hatched to yolk sac exhaustion stages, respectively p<0.05. Notably, during the stage from yolk sac exhaustion to juvenile tadpole, a salinity of 3% resulted in an increase in the final weight of the tadpoles throughout the stage and a significant increase in Phase 1 (the tadpole stage from yolk sac exhaustion to the onset of foreleg emergence) and Phase 2 (the tadpole stage from the onset of foreleg emergence to the onset of hind leg emergence); however, it did not show a significant effect on tadpole survival rates in Phases 1 and 2 of this stage p>0.05. A salinity level of up to 5% showed no significant effect on the growth performance but caused a significant reduction in the survival rates of the tadpoles during this stage. We recommend that the artificial reproduction process of Thai frogs should be performed using salinities of <2%, with salinities of ≤2 and 3% being suitable for rearing tadpoles from the newly hatched to yolk sac exhaustion stage and from the yolk sac exhaustion to juvenile stage, respectively.

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Section: Introductionmentioning

confidence: 99%

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Huong,

Huang,

Nam

et al. 2024

Journal of Applied Ichthyology

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“…Estudos apontaram que a qualidade nutricional da carne de rãs é comprovada por possuir um adequado balanceamento de aminoácidos e baixo nível de lipídio e colesterol, sendo uma importante apresentação para dietas de baixa caloria (CASALI; MOURA; LIMA ,2005;NÓBREGA et al, 2007). A utilização da carne de rã é recomendada em dietas que têm como objetivo combater o colesterol, a obesidade, a hipertensão arterial, também, para o tratamento de distúr-bios gastrintestinais, na dieta de atletas, convalescentes e crianças em fase de crescimento ou alérgicas a proteína animal (MELLO et al, 2006;NÓBREGA et al, 2007).…”

Section: Introductionunclassified

Aspectos Da Aquicultura E Sua Importância Na Produção De Alimentos De Alto Valor Biológico

Mello

Oliveira²,

Filho

2017

Semioses

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RESUMOA produção mundial de pescado oriundo da aquicultura já contribui com aproximadamente 50% do pescado utilizado na alimentação humana. Dentre as espécies produzidas em água doce destacam-se as tilápias, rãs e camarões. Essas espécies apresentam alto valor nutricional e podem ser produzidas em diversas regiões do Brasil. O estado do Rio de Janeiro apresenta condições climáticas adequadas para a criação dessas espécies. Dentre os sistemas de produção utilizados destacam-se a recirculação de água, sistema esse denominado fechado e intensivo; os tanques-rede que são abertos e intensivos; os viveiros que podem ser extensivos e semi-intensivos. A produção de organismos aquáticos, em cativeiro, para alimentação humana irá suprir uma demanda evidenciada nos últimos anos, quando a produção oriunda da captura está em pleno declínio. O pescado é um alimento de alto valor biológico e se apresenta como alternativa de alimentação saudável e a sua produção em pequena e média escala é uma alternativa de renda, para os produtores em diversas regiões do Brasil.Palavras-chaves: Aquicultura de água doce. Rã-touro. Tilápia. Camarão da Malásia. ABSTRACTThe World aquaculture fish production already accounts for approximately 50% of the fish used for human consumption. Among the species produced in freshwater are tilapia, frogs and shrimps. These species present high nutritional value and can be produced in several regions of Brazil. The state of Rio de Janeiro presents adequate climatic conditions for the creation of these species. Among the production systems used are water recirculation, a system called closed and intensive; the net tanks that are open and intensive; the ponds that can be extensive and semi-intensive. The production of aquatic organisms in captivity for human consumption will meet a demand evidenced in recent years, when production from the capture is in full decline. Fish is a food of high biological value and presents itself as a healthy food alternative and its small and medium scale production is an income alternative for producers in several regions of Brazil.

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“…By contrast, captivity-reared bullfrogs consume balanced diets containing ingredients of animal and plant origins (Olvera-Novoa et al, 2007;Rodrigues et al, 2007;Castro et al, 2008). Of the commercial diets, those that provide the best performance have a crude protein content higher than 40% (Casali et al, 2005;Fenerick Jr. and Stéfani, 2005). However, the use of these commercial diets has caused some alterations in organs like the liver, which may compromise the animal performance (Seixas Filho et al, 2009;Seixas Filho et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Histopathological aspects of the liver of free-living and farmed bullfrogs (Lithobates catesbeianus)

Filho

Pereira

et al. 2017

R. Bras. Zootec.

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The objective of this study was to compare the histopathological aspects of the liver of free-living and farmed bullfrogs (Lithobates catesbeianus). Thirty liver samples were collected from young and adult bullfrogs in the states of Minas Gerais and Rio de Janeiro, Brazil. Marked blood congestion and even hemorrhage and a large number of melanomacrophages were observed in most of the livers from free-living bullfrogs. Additionally, hepatocytes showed cytoplasmic eosinophilia and some showed nuclear hypertrophy and presence of microvesicular steatosis; small foci of infiltrates of mononuclear cells were observed in some samples, as well as a thicker capsule. In the farmed bullfrogs, cytoplasmic rarefaction was normal. Morphologically, unlike the livers of animals reared on farms, the livers of free-living animals did not show any evidence of protein-mineral deficiency, characterized by cytoplasmic vacuolation and a larger number of melanomacrophages, suggesting greater aggression to the liver parenchyma, probably due to environmental toxicity. Free-living bullfrogs feed on proteins of better biological value, derived from animals preyed in the natural environment.

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Rações comerciais e o rendimento de carcaça e subprodutos de rã-touro

Cited by 11 publications

References 2 publications

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Aspectos Da Aquicultura E Sua Importância Na Produção De Alimentos De Alto Valor Biológico

Histopathological aspects of the liver of free-living and farmed bullfrogs (Lithobates catesbeianus)

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