Nordlund Kenneth V
Department of Medical Sciences, Food Animal Production Medicine, School of Veterinary Medicine, University of Wisconsin, 2015 Linden Drive, Madison, WI 53706-1102, USA.
Vet Clin North Am Food Anim Pract. 2008 Mar;24(1):41-54. doi: 10.1016/j.cvfa.2007.10.006.
The use of air sampling devices to measure the concentrations of airborne bacteria in clinical investigations and research trials in calf barns has indicated that traditional systems of ventilation are problematic in cold weather. Individual pen designs should have two solid sides, but the front and rear should be as open as possible. Thermal stress should be managed by providing deep bedding and not by enclosing the pen. Air hygiene can be improved by reducing stocking density and using supplemental positive-pressure ventilation systems to deliver small amounts of air to each pen. Implementation of these recommendations can produce calf barns that seem to equal calf hutches in minimizing disease and provide better working conditions for the caregivers.
在犊牛舍的临床调查和研究试验中，使用空气采样装置来测量空气中细菌的浓度，结果表明传统的通风系统在寒冷天气存在问题。单个围栏设计应具有两个实心侧面，但前后应尽可能开放。应通过提供深厚垫料而非封闭围栏来管理热应激。通过降低饲养密度和使用补充正压通风系统向每个围栏输送少量空气，可以改善空气卫生状况。实施这些建议可以使犊牛舍在减少疾病方面似乎与犊牛栏相当，并为饲养人员提供更好的工作条件。
