Some Factors Affecting the Mineral Profiles of Tropical Grasses

While grass may suffice to meet the nutritional needs of grazing ruminants in terms of carbohydrate and protein, they may not necessarily provide the minimal levels of minerals necessary to maintain health. Since, with the exception of salt, it is unusual to provide supplementary minerals it is necessary to ensure that the grazed grass is so managed that mineral levels are adequate. This article reviews the various factors that influence the mineral profiles of tropical grasses in the Caribbean, Latin America, and Africa.