J. Anim Sci.
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J. Anim Sci. 2008. 86:1205-1214. doi:10.2527/jas.2007-0629
© 2008 American Society of Animal Science
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ANIMAL PRODUCTS

Physicochemical properties of meat of Italian Heavy Draft horses slaughtered at the age of eleven months1

A. Tateo, P. De Palo2, E. Ceci and P. Centoducati

Department of Public Health and Animal Production, Faculty of Veterinary Medicine S.P. per Casamassima, km 3. 70010, Valenzano (BA), Italy

2 Corresponding author: p.depalo{at}veterinaria.uniba.it

To investigate rheological and chemical characteristics of the meat from Italian Heavy Draft horse, 24 foals (12 males and 12 females) were weaned at 6 mo, reared and fed in the same way, and slaughtered at 11 mo of age. The results obtained showed that there were no significant differences between the sexes but that the muscle type is a significant variation source. The rectus femoris muscle was lighter, and the biceps femoris had a lower a* index than longissimus dorsii, rectus femoris, and semimembranosus muscle. The most tender muscle was the semitendinosus, and the toughest even after cooking was the biceps femoris. The male animals had a greater protein and lipid percentage. The acidic composition of the intramuscular fat showed a greater presence of MUFA (P < 0.05) in the females and of PUFA (P < 0.01) in the males. Colorimetry analysis of the subcutaneous and perirenal fat from these animals indicated the unfavorable yellow color seen in adult animals had not yet been acquired. The meat produced had low redness due to the low myoglobin content and high lightness. Besides, the low collagen content and its high solubility indicates an appreciable tenderness. The high level of unsaturation of the intramuscular fat resulted in a high ratio of unsaturated to saturated fat, making horse meat favorable from a health point of view.

Key Words: foal meat • pH • color • tenderness • water-holding capacity • fatty acid






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