Abstract
This review details the negative effects of Trichostrongylus colubriformis infection in sheep phosphorus metabolism and direct and indirect impacts from high excretion from susceptible animals, as well as the advantages offered by precision feeding as potential strategies to mitigate loss. In sheep infected with T. colubriformis there is a high reduction in P bioavailability, because of depression in the absorptive capacity of this mineral, affecting the absorption and recycling of P to the digestive tract, causing mineral deficiency. Therefore, precision feeding compiles animal genetics information, feeding type and grazing management to control animal feed intake and quantity and quality of manure produced. In this sense, the adoption of precision feeding can provide a better arrangement of the information, making sheep production more economically, socially and environmentally sustainable.
Highlights
New technologies are being developed aiming to determine the best level of nutrients requirements and, to reduce the possible negative impacts of animal manure on environment such as precision feeding that is based on proper evaluation of the nutritional potential of feed ingredients, in the precise determination of nutrient requirements and in the formulation of balanced diets that limit the amount of excess nutrients (Pomar et al, 2014)
In order to encompass this complex process of animal production and environment, the aim of this review is to assess, through the analysis of the published literature, the effects of parasitism by T. colubriformis on sheep phosphorus metabolism and precision feeding as a mitigating strategy
Effects of parasitism on phosphorus (P) metabolism in sheep can lead to serious damage to bone growth and animal performance (Sykes & Coop, 1976; Sykes et al, 1977)
Summary
Tairon Pannunzio Dias-Silva1* ; Helder Louvandini; Alessandro Francisco Talamini do Amarante.
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Schedule a callMore From: Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria
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