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The “montado”: determinant factor affecting the carcass characteristics and the...
Freitas, A.B.; Neves, J.; Nunes, J.T.; Almeida, J.A.The objective of this study was to assess the effect of the finishing system (under montanheira or with commercial feed) on carcass characteristics and dry cured-ham of Alentejano pigs. 24 pigs were fattening until 130 kg LW under montanheira and 24 pigs were fattening with commercial feed. Carcasses of pigs fattened under the montanheira system were slightly heavy (98,38 vs 96,13 kg), with significantly higher...
UTILIZAÇÃO DE ÓLEO DE GIRASSOL “ALTO OLEICO” NA ALIMENTAÇÂO DE PORCOS ALENTEJAN...
Freitas, A. B.; Neves, J.; Martins, J.M.; Nunes, J.T.Este trabalho teve como objetivo a utilização de óleo de girassol rico em ácido oleico na alimentação de suínos Alentejanos destinados à produção de carne para consumo em fresco. O ensaio foi realizado em condições de exploração. Utilizaram-se 12 suínos castrados alojados num parque com uma área de 3 Ha. Com um peso vivo médio de 60 Kg os animais foram divididos em dois grupos de 6 suínos. O grupo 1 (controle) ...
Utilização de óleo de girassol “Alto oleico” na alimentação de porcos Alentejan...
Freitas, A.B.; Neves, J.; Martins, J.M.; Nunes, J.T.Este trabalho teve como objetivo a utilização de óleo de girassol rico em ácido oleico na alimentação de suínos Alentejanos destinados à produção de carne para consumo em fresco. O ensaio foi realizado em condições de exploração.
Effect of betaine on growth performance and carcass composition of Alentejano p...
Freitas, A.B.; Neves, J.A.; Martins, J.M.; Nunes, J.T.The aim of this work was to evaluate the effect of fattening diets supplemented with betaine on growth performances and carcass characteristics of Alentejano pigs. Sixteen Alentejano pigs sexually neutralized, with a initial body weight (BW) of 36.3 kg, allocated to open-air individual pens (3m2), were divided into two experimental groups: Group C (n=8) consuming a commercial diet with 150 g/kg crude protein a...
Physical measures of the carcass and the chemical composition of Longissimus do...
Neves, J.A.; Freitas, A.B.; Martins, J.M.; Nunes, J.T.The aim of this work was to determine the relationship between physical measures from the subcutaneous tissue and Longissimus dorsi (LD) muscle (area, depth, and width measured between the 3rd and 4th lumbar vertebrae, at the last rib, and between the 3rd and 4th last ribs) and the chemical composition of LD at 70, 80, 90, 100, and 110 kg LW. The content of water, protein, neutral and polar lipids, total and so...
Effect of betaine intake on muscle and backfat characteristics of pigs.
Neves, J.A.; Martins, J.M.; Freitas, A.B.This study was undertaken to investigate the effects of long term betaine intake on the chemical and physical characteristics of m. Longissimus dorsi (LD), and backfat (BKF) of Alentejano (AL) pigs. Purebred AL pigs were allocated to open-air individual pens and fed a commercial (C) diet offered at 85% estimated ad libitum consumption. The pigs were divided into two experimental groups: Group C (n=6), consuming...
Physicochemical characteristics of muscles from free-range reared pigs.
Neves, J.A.; Martins, J.M.; Freitas, A.B.In this study we analysed the chemical composition and physical characteristics of four muscles from Alentejano (AL) pigs, m. Biceps femoris (BF), m. Semimembranosus (SM), m. Longissimus dorsi (LD), and m. Psoas major (PM). Castrated male and female AL pigs allocated to an outdoor rearing area and fed a commercial diet offered at 85% estimated ad libitum consumption, were slaughtered at ~105 kg live weight. BF,...
Alpha-tocopherol content on the semimembranosus muscle of Alentejano pigs reare...
Neves, J.A.; Freitas, A.B.; Martins, J.M.; Nunes, J.T.This trial was undertaken to determine the effect of the rearing system (intensive vs. extensive) over the content of antioxidants (alpha-tocopherol) in the meat of Alentejano pigs. Sixteen Alentejano pigs with an average body weight (BW) of 60 kg were divided in two groups: Group I (n=10) was allocated in open-air individual pens, while Group II (n=6) was maintained in a 3 ha natural pasture. Both groups were ...
Evolution of the composition in fatty acids of the dorsal subcutaneous adipose ...
Neves, J.A.; Freitas, A.B.; Martins, J.M.; Ferraz de Oliveira, M.I.; Abreu, M.C. deThe present work studied the evolution of fatty acid composition in the dorsal subcutaneous fat of free-range Alentejano pigs fed on pasture and acorns. Twenty pigs with a body weight (BW) of ~90 kg were placed in a 2 ha pasture (Lolium westerwoldium and Trifolium incarnatum) and fed daily with 4 kg of acorns. Animals were submitted to biopsies near tail insertion with ~90, ~100, and at slaughter, ~110 kg BW. T...
Effects of a high-fat diet on growth performances and carcass characteristics o...
Freitas, A.B.; Neves, J.A.; Nunes, J.T.; Martins, J.M.The aim of this work was to study the effects of a high-fat diet (6% of sunflower oil) on growth performances and carcass characteristics of finishing Alentejano pigs. 20 Alentejano pigs (castrated female and male) were housed in individual pens (1 x 2 m) in an outdoor area. The animals were divided in two groups with an average live weight of 60 kg. Group 1 was fed a commercial diet (3150 Kcal DE, 14% CP and 1...
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