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HEMATOLOGICAL PROFILE OF SANTA INÊS EWES SUPPLEMENTED ON PASTURE AT THE LAST THIRD OF PREGNANCY AND POSTPARTUM

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posted on 2018-12-26, 02:41 authored by Fabrício Brandão Pereira, Leilson Rocha Bezerra, Carlo Aldrovandi Torreão Marques, Marcos Jácome de Araújo, Jacira Neves da Costa Torreão, Luciana Pereira Machado

Abstract

The purpose of this study was to evaluate the influence of concentrate supplementation level on hematological profile of Santa Ines ewes, at the last third of pregnancy and postpartum, and of their lambs. We used eleven ewes at the last 75 days of pregnancy and the first 75 days of lactation and eight lambs born from these ewes, allotted in a completely randomized design and split-plot arrangement in time. Blood samples were collected every fourteen days. Neither the erythrocyte nor the leukocyte profile was affected by the different levels of supplementation (P>0.05) and the blood components evaluated were within the reference range for adult sheep. The animal category affected (P<0.05) erythrocytes, and the highest values (11.72 x 106/p.l) were observed in lambs. Lambs showed lower values (3073.3/µL) for neutrophils in comparison with ewes, during pregnancy (4957.6/µL) or postpartum (4067.3/µL); these values did not differ (P>0.05). For the lymphocyte count, the values found in lambs (2858.8 /µL) were similar to those in pregnant ewes (2,982.0/µL); lactating ewes (4119.8/µL) showed the highest values. Concentrate supplementation (0.5% BW) at pre and postpartum does not alter the erythrocyte and leukocyte profile of Santa Inês sheep, with the largest differences between the two sheep categories and lambs.

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