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

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 A total of 64 suckling goat kids were withdrawn from two farms with "high" (GW) and &quo...

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Published in:Foods 2020-07, Vol.9 (7), p.934
Main Authors: Martínez, Tomás Francisco, Alcalde, María Jesús, Sáez, María Isabel, Suárez, María Dolores
Format: Article
Language:English
Subjects:
Aging
Agricultural practices
Animal young
Calcium-binding protein
Compliance
Councils
Dehydrogenases
Electrophoresis
Farm management
Farms
Food science
Gel electrophoresis
goat kids
Goats
Kinases
Meat
Meat quality
Metabolism
Metabolites
Methods
Muscle proteins
Muscles
myofibrillar protein
Physiological aspects
Physiology
Polyacrylamide
Proteins
sarcoplasmic protein
SDS-PAGE
Sodium dodecyl sulfate
Sodium lauryl sulfate
Stress
Suckling behavior
transport
Transportation
Troponin
Troponin T
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description 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 A total of 64 suckling goat kids were withdrawn from two farms with "high" (GW) and "low" (DW) welfare-friendly management practices, and they were transported for 2 or 6 h immediately before slaughtering. 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 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.
doi_str_mv 10.3390/foods9070934
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source PMC (PubMed Central); Publicly Available Content (ProQuest)
subjects Aging
Agricultural practices
Animal young
Calcium-binding protein
Compliance
Councils
Dehydrogenases
Electrophoresis
Farm management
Farms
Food science
Gel electrophoresis
goat kids
Goats
Kinases
Meat
Meat quality
Metabolism
Metabolites
Methods
Muscle proteins
Muscles
myofibrillar protein
Physiological aspects
Physiology
Polyacrylamide
Proteins
sarcoplasmic protein
SDS-PAGE
Sodium dodecyl sulfate
Sodium lauryl sulfate
Stress
Suckling behavior
transport
Transportation
Troponin
Troponin T
title Effects of Farm Management Practices and Transport Time on Post-Mortem Changes of Longissimus lumborum Muscle Proteins in Suckling Goat Kids
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