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Turnover isotópico do carbono em tecidos corporais de suínos: músculos, fígado, gordura abdominal, plasma, casco e costela

Authors: Augusto, Regina Maria Nascimento;

Turnover isotópico do carbono em tecidos corporais de suínos: músculos, fígado, gordura abdominal, plasma, casco e costela

Abstract

Objetivou-se com este trabalho avaliar o turnover e o comportamento da incorporação do carbono nos músculos reto do abdome e semitendinoso de suínos em diferentes períodos de desenvolvimento. Foram utilizados 132 leitões (machos castrados e fêmeas) híbridos comerciais, desmamados com idade média de 21 dias, distribuídos em delineamento experimental inteiramente casualizado em quatro tratamentos com dias distintos de substituição do milho (grão de planta do ciclo fotossintético C4) das dietas por quirera de arroz (grão produzido por planta do ciclo fotossintético C3) aos 21; 42; 63 e 110 dias de idade, para mudança do sinal isotópico de carbono-13. As curvas de diluição isotópica dos músculos analisados demonstraram que os animais que tiveram a dieta C4 substituída pela dieta C3 com 42 dias de idade, atingiram o patamar de equilíbrio isotópico de forma mais evidente que os suínos que receberam dieta C3 a partir dos 21 ou 63 dias de idade. Amostras de músculos são boas escolhas para refletir mudanças na dieta de suínos por um período mais longo, apresentando grande potencial de aplicação prática para a rastreabilidade de subprodutos de origem animal na alimentação de suínos

The objective of this study was to evaluate the behavior of the turnover and incorporation of carbon in the rectus abdomen and semitendinous muscles of swines at different periods of development. We used 132 commercial hybrids (barrows and females), weaned at an average age of 21 days, distributed in a completely randomized design with four treatments on different days of substitution of corn (grain plant the C4 photosynthetic cycle) diets by broken rice (grain produced per plant photosynthetic cycle C3) at 21, 42, 63 and 110 days of age to change the signal isotope carbon-13. The isotopic dilution curves of the muscles analyzed showed that animals that had the C4 diet replaced by C3 with 42 days of age, reached the new level of equilibrium isotopic more evident that swines fed the diet C3 from 21 or 63 days of age.Samples of muscles are good choicesto reflect changes in the diet of pigs for a longer period, showing great potential for practical application for the traceability of animal by-products in feed for pigs

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Universidade Estadual Paulista (UNESP)

Pós-graduação em Zootecnia - FMVZ

Country
Brazil
Keywords

Suínos - Estudos experimentais, Suino como animal de laboratorio, Swine as laboratory animals, Isótopos estáveis, Carbono - Isotopos, Produção animal, Carbono 13

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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