Milk production systems in Brazil are based, for the most part, on the use of tropical grass pastures as the main source of nutrients for animals. Keeping high levels of pasture-based milk production depends on the following factors: supply of forage in quantity and quality, maximum duration of the grazing season, rational use of energy, protein and mineral supplements, and definition of management strategy that aims at productivity by area. Therefore, intensive pasture management results in for

Status: Completed     Start date: Fri Sep 01 00:00:00 GMT-03:00 2017

The silvopastoral systems are a viable option to avoid degradation of pastures due to their potential to control erosion and the ability of some tree species to add nitrogen and other nutrients to the pasture, improving soil fertility. However, an important aspect in these systems refers to the competition for light between the tree/shrub and herbaceous components. Tiller production and the consequent density of inflorescences, directly related to seed production and, therefore, to natural resee

Status: Completed     Start date: Wed Aug 01 00:00:00 GMT-03:00 2007

Alzheimer's disease (AD) is a progressive degenerative disease of the central nervous system (CNS) that mainly affects people over 65 years of age, resulting in loss of memory and cognitive functions such as language, attention, orientation and reasoning. According to the World Health Organization (WHO), 24.3 million people worldwide suffered from AD and other types of dementia in 2007, with a doubling of this number every 20 years. That Organization also stresses that the impact of AD in develo

Status: Completed     Start date: Tue Apr 01 00:00:00 GMT-03:00 2008