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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2007 > Volume 6 Number 6 > V.A. Gonzلlez1, G.E. Rojas1, A.E. Aguilera1, S.C. Flores-Peinado2, C. Lemus-Flores3, A. Olmos-Hernلndez4, M. Becerril-Herrera5, A. Cardona-Leija2, M. Alonso-Spilsbury4,R. Ramيrez-Necoechea4 and D. Mota-Rojas4

Effect of Heat Stress During Transport and Rest Before Slaughter, on the Metabolic Profile, Blood Gases and Meat Quality of Quail

V.A. Gonzلlez1, G.E. Rojas1, A.E. Aguilera1, S.C. Flores-Peinado2, C. Lemus-Flores3, A. Olmos-Hernلndez4, M. Becerril-Herrera5, A. Cardona-Leija2, M. Alonso-Spilsbury4,R. Ramيrez-Necoechea4 and D. Mota-Rojas4
1Tesista de la Licenciatura de Medicina Veterinaria y Zootecnia, Universidad Autَnoma Metropolitana-Plantel Xochimilco, México 2Taller de Cلrnicos, Facultad de Estudios Superiores de Cuautitlلn, FES-C, UNAM, Edo, de México 3Facultad de Medicina Veterinaria y Zootecnia, Universidad Autَnoma de Nayarit (UAN), México 4Departamento de Producciَn Agrيcola y Animal, ءrea de Investigaciَn, Ecodesarrollo de la Producciَn Animal, Universidad Autَnoma Metropolitana-Xochimilco, Mexico.D.F. 5EIAH-Benemérita Universidad Autَnoma de Puebla, Teziutlلn, Puebla, México
Abstract :

Currently in Mexico there is no regulation ruling over transportation and the rest period before slaughtering quail. An experiment was carried out to evaluate transportation and rest period effects before sacrifice on the metabolic profile, blood gas, pH and meat quality of the Japanese quail carcass. Sixty quail (Coturnix coturnix japonica) were transported to slaughter, on arrival they were randomly divided in 2 groups: with (4 hours) rest and without rest (slaughtered right away). A blood simple was taken before and post sacrifice. After transportation, the rested quail had significantly lower lactate levels (p<0.05), compared to the quail without rest (36.33±6.17 vs. 21.64±2.14, respectively). The results showed that when quail are stressed, pCO2 and lactate levels tend to diminish significantly (p<0.05) compared to mammals. Rest showed a direct effect on temperature (p<0.05), diminishing acidity, reflected though hot and cold carcass pH as compared to the group of quail without rest.

Keywords :
Stress, transport, meat quality, quail

Date Deposited : 15 Jul 2011 09:57

Last Modified : 15 Jul 2011 09:57

Official URL: http://www.pjbs.org/ijps/ijps.htm

Volume 6, Number 6, - 2007 , ISSN 1682-8356

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