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Article

Effects of Farm Management Practices and Transport Time on Post-Mortem Changes of Longissimus lumborum Muscle Proteins in Suckling Goat Kids

1
Departamento de Biología y Geología, Universidad de Almería, 04120 Almería, Spain
2
Departamento de Ciencias Agroforestales, Universidad de Sevilla, 41013 Sevilla, Spain
*
Author to whom correspondence should be addressed.
Foods 2020, 9(7), 934; https://doi.org/10.3390/foods9070934
Received: 15 June 2020 / Revised: 10 July 2020 / Accepted: 11 July 2020 / Published: 15 July 2020
(This article belongs to the Special Issue Sheep and Goat Meat Processing and Quality)
The combined effect of farm management practices, transport time, and ageing time on the electrophoretic changes of sarcoplasmic (SPP) and myofibrillar (MFP) protein fractions of goat kids was studied. A total of 64 suckling goat kids were withdrawn from two farms with “high” (GW) and “low” (DW) welfare-friendly management practices, and they were transported for 2 or 6 h immediately before slaughtering. Longissimus lumborum samples were obtained at 3, 8, and 21 days post-mortem, and muscle proteins were separated by sodium dodecyl sulfate polyacrylamide gel electrophoresis SDS-PAGE. Both protein extracts displayed significant changes attributable to meat maturation. Managing conditions of kids in DW farms increased the post-mortem susceptibility of muscle proteins. Some MFP of Longissimus lumborum muscle, such as troponin T, as well as 26–30 and 35–37 kDa fractions were influenced significantly by deficient on-farm management, and therefore, these protein fragments might be considered as indicators of low-welfare on-farm management in goat kids. View Full-Text
Keywords: farm management; goat kids; myofibrillar protein; sarcoplasmic protein; SDS-PAGE; transport farm management; goat kids; myofibrillar protein; sarcoplasmic protein; SDS-PAGE; transport
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MDPI and ACS Style

Martínez, T.F.; Alcalde, M.J.; Sáez, M.I.; Suárez, M.D. Effects of Farm Management Practices and Transport Time on Post-Mortem Changes of Longissimus lumborum Muscle Proteins in Suckling Goat Kids. Foods 2020, 9, 934. https://doi.org/10.3390/foods9070934

AMA Style

Martínez TF, Alcalde MJ, Sáez MI, Suárez MD. Effects of Farm Management Practices and Transport Time on Post-Mortem Changes of Longissimus lumborum Muscle Proteins in Suckling Goat Kids. Foods. 2020; 9(7):934. https://doi.org/10.3390/foods9070934

Chicago/Turabian Style

Martínez, Tomás F., María J. Alcalde, María I. Sáez, and María D. Suárez. 2020. "Effects of Farm Management Practices and Transport Time on Post-Mortem Changes of Longissimus lumborum Muscle Proteins in Suckling Goat Kids" Foods 9, no. 7: 934. https://doi.org/10.3390/foods9070934

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