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Technical note: A noninvasive urine collection device for female cattle: Modification of the urine cup collection method
Journal of Dairy Science (2010)
  • Gustavo J Lascano, California Polytechnic State University - San Luis Obispo
Abstract

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 × width × depth) of 17.5 × 11.0 × 6.0cm and an opening of approximately 42cm2 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 1.5m 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.

Keywords
  • external urine collection system,
  • non-invasive,
  • dairy cattle
Publication Date
June, 2010
Citation Information
Gustavo J Lascano. "Technical note: A noninvasive urine collection device for female cattle: Modification of the urine cup collection method" Journal of Dairy Science Vol. 93 Iss. 6 (2010)
Available at: http://works.bepress.com/glascano/6/