Comparison of broiler meat quality when fed diets supplemented with neutralized sunflower soapstock or soybean oil. 2012

A Y Pekel, and G Demirel, and M Midilli, and H Yalcintan, and B Ekiz, and M Alp
Department of Animal Nutrition and Nutritional Diseases, Faculty of Veterinary Medicine, Istanbul University, Istanbul, 34320, Turkey. pekel@istanbul.edu.tr

The objective of the current study was to evaluate the effect of dietary fat type and level on broiler meat quality. A 2 × 3 factorial arrangement with 2 types of fat including neutralized sunflower soapstock (NSS) and soybean oil (SO) at 3 levels of fat inclusion (2, 4, and 6%) was used with 5 replicates per treatment using 750 one-day-old broiler chicks in a completely randomized design. At the end of the study (d 36), 10 broilers from each replication were processed at a commercial slaughtering facility. Six carcasses from each replicate were used for meat quality evaluation. With the exception of 3 responses [breast meat lightness (L*) at 1 and 2 d, and redness (a*) at 5 d], there were no interactions between fat source and level. Breast meat pH at 15 min was not significantly affected by the dietary treatments. However, breast meat pH at 24 h postmortem was decreased (P < 0.01) in broilers fed the NSS. Breast meat cooking loss, shear force, and color did not differ between fat sources. Breast meat cooking loss decreased (P < 0.05) when the dietary levels of fat increased. Thigh meat TBA reactive substances were not different due to dietary fat source and level. Breast meat and skin L* value significantly decreased when the dietary levels of fat increased. Breast meat a* value was highest for the 6% fat fed birds on d 2 (P < 0.05) and d 5 (P < 0.01). Higher dietary fat levels decreased the b* values of breast meat except d 5. Breast skin yellowness (b*) value was higher (P < 0.01) for the SO-fed birds compared with NSS-fed birds. Thigh meat of the birds fed the NSS was lighter (P < 0.05) than that of the birds fed SO diets except d 5. Overall, data suggest that NSS can be used as an alternative fat source to SO with little effect on meat quality.

UI MeSH Term Description Entries
D008297 Male Males
D008460 Meat The edible portions of any animal used for food including cattle, swine, goats/sheep, poultry, fish, shellfish, and game. Meats
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D004032 Diet Regular course of eating and drinking adopted by a person or animal. Diets
D005260 Female Females
D006368 Helianthus A genus herbs of the Asteraceae family. The SEEDS yield oil and are used as food and animal feed; the roots of Helianthus tuberosum (Jerusalem artichoke) are edible. Jerusalem Artichoke,Sunflower,Helianthus annuus,Helianthus tuberosus,Artichoke, Jerusalem,Sunflowers
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000821 Animal Feed Foodstuff used especially for domestic and laboratory animals, or livestock. Fodder,Animal Feeds,Feed, Animal,Feeds, Animal,Fodders
D013024 Soybean Oil Oil from soybean or soybean plant. Soya Oil,Soy Bean Oil,Oil, Soy Bean,Oil, Soya,Oil, Soybean,Oils, Soy Bean,Oils, Soya,Oils, Soybean,Soy Bean Oils,Soya Oils,Soybean Oils

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