The Magrath Fluidfeeder features reinforcement at the bottle cap which permits one-handed administration of colostrum and life-saving fluids to newborn calves. The stainless steel probe crimps at the neck to stop the flow while the user inserts the esophageal tube, a feature designed to help prevent accidental insertion into the trachea. The semi-flexible bottle is then turned upright and fluids flow into the calf. 1 quart bottle. Scoured, dehydrated calves – even those that will not eat or drink – get the supportive fluids and energy they need to recover fast. Features: Practical, easy to use tool. Esophageal probe administers fluids and nutrients directly into the rumen Can administer quart quantities of fluids to a calf in less than one minute Probe is hardened which prevents burrs that can cut the throat and cause infection Roll tube can be reused many times – heavy duty material resists punctures and tears Check valve allows liquid to leave the bottle and keeps air out Bottle design collapses as the liquid leaves without venting Economical and Flexible