The Effects of Ovine Lentivirus Infection on Some Productive Aspects in a Sardinian Sheep Flock from Italy |
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| Authors: | Legrottaglie R Martini M Barsotti G Agrimi P |
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| Institution: | (1) Dipartimento di Patologia Animale, Profilassi e Igiene degli Alimenti, Università degli Studi di Pisa, Viale delle Piagge, 2, 56124 Pisa, Italy;(2) Istituto di Patologia e Igiene Veterinaria, Università degli Studi di Padova, Agripolis, 35020 Legnaro (PD), Italy;(3) Dipartimento di Clinica Veterinaria, Università degli Studi di Pisa, Viale delle Piagge, 2, 56124 Pisa, Italy |
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| Abstract: | The effects of ovine lentivirus infection on the fat, protein and lactose concentrations on the somatic cell counts in ewes' milk, on milk production and on the birth weight and growth of lambs were studied in a flock of Sardinian sheep from central Italy. Data on 61 lactations of ewes positive to both the agar-gel immunodiffusion test and an enzyme-linked immunosorbent assay were compared with those on 46 lactations of seronegative ewes. Confounders such as parity, age, lactation length, litter size, and the sex of the lambs were considered. None of these traits seemed to be negatively influenced by the infection |
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| Keywords: | birth weight growth lamb maedi-visna lactation milk ovine lentivirus serology sheep somatic cell count |
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