Navegando por Autor "Santos Bonfim dos, Karine"

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Suplementação de primíparas leiteiras com antioxidantes no período de transição: série branca
(Universidade Brasil, 2021) Santos Bonfim dos, Karine; Melo, Gabriel Maurício Peruca de; Bertipaglia, Liandra Maria Abaker
The transition period of dairy/heifers cows is defined as a period of three weeks before the partum and three weeks after and it is a critical phase because it is associated with the peak of metabolic diseases, nutritional or infectious, in addition to immunosuppression. In view of these facts, the present work proposed the supplementation of Holstein dairy cows, of high production, in the transition period, with antioxidants. For the study, 10 Holstein heifers were used, divided into two groups: group received supplementation with the formulation as an orally paste administered, and the group of untreated received the paste, without inclusion of assets. Supplementation was performed at 23 days prepartum (-23) and 7, 14 and 21 postpartum, opportunities in which blood samples were taken for analysis. Hematological alterations were evidenced by complete blood count analysis. Supplementation was performed at 23 days before delivery (-23) and 7, 14 and 21 after delivery, opportunities in which blood samples were collected for the analysis. As hematological alterations were evidenced by leukogram count analysis. It was concluded that supplementation with actives positively influenced immunological function, favoring the reduction of physiological and/or pathological leukocytosis, since the transition period represents physical and hormonal adaptations, impairing animal production.