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Assessing foraging strategies of herbivores in Mediterranean oak woodlands: a r...
Ferraz de Oliveira, M.I.; Lamy, E.; Bugalho, M.N.; Vaz, M; Pinheiro, C; Abreu, M.C.; Capela e Silva, F.; Sales-Baptista, E.Montados are agro-silvo-pastoral ecosystems, typical of the Southwest Iberian Peninsula, of high socio-economic and conservation importance,where grazing is a dominant activity. Montados are characterized by na open tree canopy of Quercus sp. and a diverse undercover of shrubs and grasslands that constitute the plant food resources for grazing animals. Plant food resources of Montados are highly variable, both ...
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...
Clear-PEM: A PET imaging system dedicated to breast cancer diagnostics
Abreu, M. C.; Aguiar, D.; Albuquerque, E.; Almeida, F. G.; Almeida, P.; Amaral, P.; Auffray, E.; Bento, P.; Bruyndonckx, P.; Bugalho, R.; Carriço, B.The Clear-PEM scanner for positron emission mammography under development is described. The detector is based on pixelized LYSO crystals optically coupled to avalanche photodiodes and readout by a fast low-noise electronic system. A dedicated digital trigger (TGR) and data acquisition (DAQ) system is used for on-line selection of coincidence events with high efficiency, large bandwidth and small dead-time. A sp...
Dietary Raw Peas (Pisum sativum L.) Reduce Plasma Total and LDL Cholesterol and...
Martins, J.M.; Riottot, M.; Abreu, M.C. de; Lança, M.J.; Viegas-Crespo, A.M.; Almeida, J.A.; Freire, J.B.; Bento, O.P.Previous studies demonstrated the cholesterol-lowering effect of dietary legumes (mainly soybeans) in animals and humans, but the mechanisms by which they exert this effect are not completely understood. The contribution of the hindgut to this hypocholesterolemic effect is also not well documented. The present work was undertaken to investigate the effect of cholesterol-enriched (2.8 g/kg) casein (C) and raw pe...
Chapter 41. Faecal and ileal digestibility of casein- and soybean-based diets i...
Martins, J.M.; Abreu, M.C. de; Bento, O.; Salgado, P.; Freire, J.P.B.A study was conducted to determine the effects of ileo-rectal anastomosis (IR) and protein source on apparent digestibility in growing pigs. Intact animals fed casein diet had significantly higher CP and NDF digestibilities than IR pigs. Intact animals fed soybean diet presented significantly higher DM, OM, CP, NDF, ADF and GE digestibilities than IR pigs. Intact pigs fed casein diet presented significantly hig...
Serum uric acid levels in Chagas' disease
Abreu,M. C. A.; Guimarães,R. C.; Krieger,H.Uricemia was studied in a sample of 192 individuals from a highly endemic site for Chagas' disease (Bambuí, State of Minas Gerais, Brazil). The sample had serologically negative individuals (controls) and the positive ones were classified on the basis of the presence of electrocardiographic alterations (63), altered esophageal emptying (16), or without any sign on sympton of the disease (76). Only the individua...
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