| 摘要 |
An apparatus and method for indicating the onset of behavioral estrus in cattle. The apparatus is comprised of a base element with a plurality of chemical containing receptacles located on top of the base, with those receptacles being housed inside a cover which is attached to the base and enclosing the receptacles. The receptacles are pressure responsive and contain a chemiluminescent indicator. When the receptacles are discharged in response to the pressure, the chemicals are released from the receptacles and comingle and chemically react to emit light as a result of a peroxyoxalate chemiluminescent reaction. The detection patch is manufactured in a selection of colors in the management method of this invention, with each color designating a particular breeding management status for a cow. The detection apparatus is applied to the cow, which is then monitored for release of the indicator in the patch. When discharged receptacles are observed, the cows are then treated as designated by the color patch which the cow is wearing.
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