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metadata.artigo.dc.title: Performance and carcass traits in the diallel crossing of pacu and tambaqui
metadata.artigo.dc.creator: Reis Neto, Rafael Vilhena
Serafini, Moacyr Antonio
Freitas, Rilke Tadeu Fonseca de
Allaman, Ivan Bezerra
Mourad, Natália Michele Nonato
Lago, Aline de Assis
metadata.artigo.dc.subject: Body yield
metadata.artigo.dc.publisher: Sociedade Brasileira de Zootecnia (SBZ) Dec-2012
metadata.artigo.dc.identifier.citation: REIS NETO, R. V. et al. Performance and carcass traits in the diallel crossing of pacu and tambaqui. Revista Brasileira de Zootecnia, Viçosa, MG, v. 41, n. 12, p. 2390-2395, Dec. 2012. DOI: 10.1590/S1516-35982012001200002.
metadata.artigo.dc.description.abstract: With the purpose of evaluating the changes and the degree of heterosis on performance and carcass traits of fish from the diallel crossing between Pacu and Tambaqui, four genetic groups were generated through hormonal induction: pacu, tambaqui, tambacu and paqui. For 196 days, 400 juveniles of each genetic group were stocked in a pond divided into four parts of equal size, one for each group. At the end of this period, when the fish weighed on average 1024 g (±115.52 g), 20 specimens of each genetic group were sampled, weighed, measured: head length; standard length; body height; and width; and also processed resulting in following body yield: viscera; carcass; head; fillet; rib; residue and skin yields. There was positive heterosis for body weight, viscera and skin yield and head measures and negative heterosis for carcass and filet yield and body width, indicating that the hybrids have better performance on weight gain, but are inferior in relation to the carcass conformation.
metadata.artigo.dc.language: en_US
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