Open AccessChitosan and cottonseed processing method association on carcass traits and meat quality of feedlot lambs
Author(s) -
Tamires da Silva Magalhães,
Edson Mauro Santos,
José Esler de Freitas Júnior,
Stefanie Alvarenga Santos,
Douglas dos Santos Pina,
Luís Gabriel Alves Cirne,
Luís Fernando Batista Pinto,
Gérson Barreto Mourão,
Franklin Delano dos Santos Soares,
Luiz Carlos Leite,
Henry Daniel Ruiz Alba,
Manuela Silva Libânio Tosto,
Gleidson Giordano Pinto de Carvalho
Publication year - 2020
Publication title -
plos one
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 332
ISSN - 1932-6203
DOI - 10.1371/journal.pone.0242822
Subject(s) - feedlot , cottonseed , conjugated linoleic acid , chitosan , zoology , food science , biology , chemistry , microbiology and biotechnology , linoleic acid , fatty acid , biochemistry
The objective of this study was to evaluate the effects of the association of cottonseed processing method with chitosan on carcass traits and meat quality of lambs finished in feedlot. Eighty lambs with an average body weight of 20.6 kg, with 04 months of age, were distributed in a completely randomized design, in a 2 x 2 factorial arrangement. The factors were represented by two cottonseed processing method (whole or ground) and two levels of chitosan (0 and 136 mg/kg BW). The association of cottonseed processing method with chitosan in the lamb diet did not affect (P>0.05) carcasses traits. The pH, color, cooking losses, shear force, and proximate composition of meat were also not affected (P>0.05) by the processing method of cottonseed or its association with chitosan in the lamb diets. There was an increase in palmitoleic ( c 9-C16:1; P = 0.01) and conjugated linoleic (P = 0.02) fatty acids when ground cottonseed was associated with chitosan. Ground cottonseed associated with chitosan increases the concentration of unsaturated fatty acids in the meat of feedlot lambs.