The Density of Sheep in Stables as a Risk Factor with Considerable Influence on Their Morbidity
Abstract
The density of animals in stables constitutes an essential risk factor in the scale of their affected from diseases with the dispersive character of hooves and respiratory tract. The study includes the period from 2011 until 2014, extends in four flocks with over 200 head of sheep and aims to clarify the correlation between the density of animals and tangibility from some diseases. For the study was selected Necrobacilosis of hoof and inflammatory diseases of the respiratory tract. The data showed that the increase in the density of the animals in the stables affects significantly in the growth of potential for the spread of disease from the various causes microbial and viral. Statistical processing and data regression of mono-factorial equations showed the impact and correlation connections of average hardness and negative character. This is expressed by the hardness of connections expressed through the correlation coefficient (respectively R2 = 0.471 and R2 = - 0.542). With high tangibility of sheep from Necrobacilosis (33-35%), it was found in stables No.2, where to each sheep ensured 0.39 m2 of surface. Results confirmed statistically (R2 = 0.899). From the inflammatory pathologies of the respiratory tract lower tangibility (0.04 to 0.11%) were found in stables No.3 were to each animal was provided a 4.45m3 attitude of space. Correlation between factors even, in this case, it proved statistically (R2 = 0,562).
Keywords: Density, Overpopulation, Necrobacilosis, Respiratory tract pathology.
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