| In Brazil as in the rest of the world, sectors of production and commercialization of animal originated foods, are changing to attend the two highst marcket demands: competitivity and quality. These exigencies are specially related to healthy foods. So the use of products that leave residues in meat and/or milk is going to be more restritive in an animal production system pointed to sustentability with lower environmental risks. Factors such as: pasture seasonal fluctuations, nutricional defficiencies, management conditions, high parasites incidence and general diseases contribuited to reduction of production and productivity of bovines. Verminosis is the name to the infections caused by endoparasites. In the tropics, these deseases usually show low... |
