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Effects of l-Arginine supplementation on lactating mares and the development of foals

Hunka, Monica Miranda; Silva, Elizabeth Regina Rodrigues da; Kutschenko, Marianne; Nogueira, Eduardo Terra; Manso, Helena Emília Cavalcanti da Costa Cordeiro; Manso Filho, Hélio Cordeiro.
Acta sci. vet. (Online); 44: 01-10, 2016. tab
Artigo em Inglês | VETINDEX | ID: vti-722747

Resumo

Background: Most animal species are able to produce Arginine (Arg) under normal conditions. However, in some situations, its degradation can be higher than its production. For example, during a period of lactation or disease, there is an increase in the consumption of Arg. In this case, endogenous production is not enough for the animals demands. Indeed, Arg supplementation in animals has several benefits for the animals body, such as the increase of angiogenesis, improvements in immunity and the reproductive system, as well as the stimulation of lactogenesis. During the early phase of growth, a deficiency of Arg could cause a reduction in the growth rate and metabolic activity of animals. Therefore, this amino acid is considered essential in some phases of the life of animals. However, very few studies of the supplementation of this amino acid in horses have been carried out. The aim of the present study was to characterize the effects of supplementing lactating mares and their foals with Arg. Materials, Methods & Results: Lactating mares (n = 10) were divided into two groups (control group: n = 3 / supplemented group: n = 7) and maintained exclusively under grazing. The supplemented group received 50 g of Arg during the lactation period. Samples of milk and blood from mares and blood from foals were collected at different phases of the lactation period. The following [...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1