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Publication Type J
Authors Moreno, G. M. B., H. Borba, G. G. L. Araujo, C. Sanudo, A. G. S. Sobrinho, M. E. Buzanskas, D. M. Lima, V. V. S. de Almeida and O. B. Neto
Title Meat quality of lambs fed different saltbush hay (Atriplex nummularia) levels
Source Italian Journal of Animal Science
Author Keywords Zoology Fatty acids, Halophyte plants, Lamb, Salinity, Sensory quality fatty-acid-composition, cardiovascular-disease, production systems, grazing saltbush, medicago-sativa, carcass traits, cooked lamb, in-vitro, concentrate, diet
Abstract Climate changes have increased soil and water salinity, compromising animal production 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 Ines lamb meat. Thirty-two 8-month-old castrated Santa Ines 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 intensity of lamb smell and flavour (P=0.0035) in the meat of animals that received more concentrate in the diet. An increase in the inclusion 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, saltbush hay can be used as a feeding resource in regions with problems of water and soil salinity because it does not impair the physical-chemical, nutritional and sensory quality of sheep meat.
Author Address [Moreno, GMB; Lima, DM; de Almeida, VVS] Univ Fed Alagoas, Colegiado Zootecnia, BR-57309005 Arapiraca, AL, Brazil [Borba, H; Sobrinho, AGS; Buzanskas, ME] Univ Estadual Paulista, Fac Ciencias Agr & Vet, Jaboticabal, Brazil [Araujo, GGL] Empresa Brasileira Pesquisa Agr, Petrolina, Brazil [Sanudo, C] Univ Zaragoza, Dept Prod Anim & Ciencia Alimentos, E-50009 Zaragoza, Spain [Neto, OB] Univ Fed Alagoas, Colegiado Med Vet, Vicosa, MG, Brazil Moreno, Greicy M. B. (reprint author), Univ Fed Alagoas, Colegiado Zootecnia, Ave Manoel Severino Barbosa, BR-57309005 Arapiraca, AL, Brazil greicymitzimoreno@yahoo.com.br
ISSN 1594-4077
ISBN 1594-4077
Year Published 2015
Volume 14
Issue 2
Beginning Page 251-259
Unique Article Identifier CCC:000360812300017
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