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KMID : 1025520000420050677
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Journal of Animal Science and Technology
2000 Volume.42 No. 5 p.677 ~ p.684
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The Effect of Transport and Lairage on the Blood Profile of Slaughter Pig
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김동훈/Kim, D. H.
박구부/이제룡/주선태/문성실/김곤섭/Park, G. B./Lee, J. R./Joo, S. T./Moon, S. S./Kim, K. S.
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Abstract
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Changes in blood profile of pigs during transport and lairage were investigated. Six 110㎏ pigs(Landrace) were transported to slaughter house in a commercial livestock lorry for 1.5 hr then held in lairage for 3 hrs. Blood samples were taken from each pig at four times, pre-loading(pense), immediately after loading, immediately after transport and after 3 hrs lairage for analysis of blood profile. Cortisol and β-endorphin concentrations of immediately after transport were significantly higher (p$lt;0.45) than immediately after loading and pre-loading, but were significantly reduced (p$lt;0.05) by 3 hrs lairage to level of pre-loading. There were no differences in CPK (creative phosphokinase) levels between immediately after loading and transport, but the CPK levels were significantly higher (p$lt;0.05) than those of pre-loading. Also the CPK levels were significantly reduced by 3 hrs lairage, so that the CPK levels after 3 hrs lairage were not significantly different with that of pre-loading. These results suggested that pigs could have a physical stress during loading and physiological stress during transportation, and the stress could be recovered for 3 hrs of lairage. There were significant relationships between cortisol and β-endorphin (r=0.45, p$lt;0.05), CPK and β-endorphin (r=0.67, p$lt;0.01), LDH (lactate dehydrogenase) and CPK (r=0.67, p$lt;0.01).
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