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Author: search.filters.author.Chaosap, ChanpornSubject: search.filters.subject.Meat quality

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    Effects of guanidinoacetic acid supplementation on productive performance, pectoral myopathies, and meat quality of broiler chickens
    (2021-11-01)
    Khalil, Shady
    ;
    Saenbungkhor, Nualprae
    ;
    Kesnava, Kajorn
    ;
    Sivapirunthep, Panneepa
    ;
    Sitthigripong, Ronachai
    The effects of guanidinoacteic acid (GAA) supplementation on productive performance, pectoral myopathies, and meat quality of broilers were studied. Treatments consisted of corn/soybean-based diets with a GAA supplement (0%, 0.06%, and 0.12%). A total of 546 one-day-old Ross-308 males were randomly allocated to 42 floor pens with 14 replicates (13 birds/pens) for each treatment. The results showed that GAA at doses of 0.06% and 0.12% improved feed conversion, increased the percentage of normal breast, and decreased the severity of wooden breast. Breast muscle myopathy severity was positively correlated with heavy birds and negatively correlated with breast muscle creatine and glycogen. Breast muscle creatine and glycogen correlated positively with normal, less severe pectoral myopathies and meat quality. In conclusion, GAA supplementation improved broiler performance without exacerbating pectoral myopathy or affecting meat quality.
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    Influence of Duroc sire lines on carcass and meat quality traits of commercial crossbred pigs
    (2020-09-01)
    Tongsuk, K.
    ;
    Sivapirunthep, P.
    ;
    Chaosap, Chanporn
    Carcass and meat quality traits of commercial crossbred pigs which came from two Duroc sire lines were investigated. New and old Duroc sire lines were used to produce threeway cross-bred commercial finishing pigs (Duroc x Large White x Landrace). Five castrated male and five female pigs from each pig sire line were selected and slaughtered. The carcass and meat quality traits were measured and analysed. The offsprings from imported Duroc sire line had significantly lower cold carcass percentage and body fat percentage, but significantly higher bone percentage than those from in-country herd Duroc sire line. There was not significantly difference in meat quality traits between two sire lines. Castrated male pigs had higher marbling score than females.