Meat quality of lambs fed different saltbush hay (Atriplex nummularia) levels
Resumen: Climate changes have increased soil and water salinity, compromising animal produc- tion especially in dry areas where scientists have become more interested in halophyte plants, like saltbush. The effects of saltbush hay levels (30, 40, 50 and 60%) were evaluated based on physical-chemical, nutritional and sensory parameters of Santa Ine^s lamb meat. Thirty-two 8-month-old castrated Santa Ine^s lambs, with initial weights of 22±1.97 kg were used; they were slaughtered after 60 days in the feedlot. The pH, colour, moisture, protein and cholesterol contents did not differ among treatments. Panelists observed a greater inten- sity of lamb smell and flavour (P=0.0035) in the meat of animals that received more con- centrate in the diet. An increase in the inclu- sion of saltbush increased ash percentage (P=0.0232), total saturated (P=0.0035) and polyunsaturated (P=0.0287) fatty acids and reduced the lipids (P=0.0055) and the n-6:n-3 ratio (P=0.0058) of the meat. Therefore, salt- bush hay can be used as a feeding resource in regions with problems of water and soil salini- ty because it does not impair the physical- chemical, nutritional and sensory quality of sheep meat.
Idioma: Inglés
DOI: 10.4081/ijas.2015.3302
Año: 2015
Publicado en: Italian Journal of Animal Science 14, 2 (2015), 251-259
ISSN: 1594-4077

Factor impacto JCR: 0.841 (2015)
Categ. JCR: AGRICULTURE, DAIRY & ANIMAL SCIENCE rank: 25 / 58 = 0.431 (2015) - Q2 - T2
Categ. JCR: VETERINARY SCIENCES rank: 74 / 138 = 0.536 (2015) - Q3 - T2

Factor impacto SCIMAGO: 0.484 - Animal Science and Zoology (Q2)

Tipo y forma: Article (Published version)
Área (Departamento): Área Producción Animal (Dpto. Produc.Animal Cienc.Ali.)

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