Department of Dairy and Animal Science, The Pennsylvania State University, University Park 16802, USA.
J Dairy Sci. 2010 Jun;93(6):2691-4. doi: 10.3168/jds.2009-3027.
Total urine collection from female cattle requires the use of indwelling urinary catheters or an external device requiring secure attachment with adhesive to the animal; neither method is ideal for the welfare of the cattle. A urine collection device was developed to enable total urine collection in female dairy cattle without the use of adhesive to attach the device to the vulva of the animal; the device was a modification of one described previously for female cattle. The urine collection device was made from polypropylene with maximum dimensions (height x width x depth) of 17.5 x 11.0 x 6.0 cm and an opening of approximately 42 cm(2) to cover the vulva. The device was secured using a commercially available udder support harness that provided snap-fasteners and support for the device to be positioned at the level of the vulva. At the point of attachment, a metal brace surrounded the device and was connected to the udder support by metal rings, which kept the urine cup in proper position as the animal arched to urinate. A metal O-clamp and pieces of rubber, serving as leak-proof washers, connected the bottom of the device to Gooch tubing. Another metal clamp was attached to a polyvinyl chloride adapter that was connected to a rubber hose, and urine was collected into carboys located on the floor approximately 1.5 m behind the animals. This modification of a urine cup allows several noninvasive total feces and urine collection studies of unrestricted length to be undertaken without the use of adhesive to attach the device. The floor-level collection system is a practical, portable, and handy system that will permit researchers to perform nutrient balance and metabolic studies on female cattle.
从雌性牛只采集总尿液需要使用留置导尿管或外部设备，这些设备需要通过粘性固定在动物身上；这两种方法都不适合牛只的福利。我们开发了一种尿液收集装置，可在不使用粘性将装置固定在动物外阴的情况下收集雌性奶牛的总尿液；该装置是以前为雌性牛只描述的装置的改进版。尿液收集装置由聚丙烯制成，最大尺寸（高 x 宽 x 深）为 17.5 x 11.0 x 6.0 厘米，开口约为 42 平方厘米，以覆盖外阴。该装置通过市售的乳房支撑背带固定，该背带提供按扣和支撑，以便将装置定位在外阴水平。在连接点，金属支架环绕装置，并通过金属环与乳房支撑连接，当动物弓背排尿时，金属环将尿杯保持在正确的位置。一个金属 O 形夹和一些橡胶垫圈用作防漏垫圈，将装置的底部连接到 Gooch 管上。另一个金属夹连接到聚氯乙烯转接器上，该转接器连接到橡胶软管，尿液被收集到位于动物后方约 1.5 米处地板上的大桶中。这种尿杯的改进版允许进行几项非侵入性的、不受限制长度的总粪便和尿液采集研究，而无需使用粘性将装置固定。这种地板收集系统是一种实用、便携且方便的系统，它将使研究人员能够对雌性奶牛进行养分平衡和代谢研究。
