This unique pump teat ensures that weak or premature calves can have a little drink just by sucking on the teat the speedy feeder has a sensational unique 3 staged air vent which means you can control the feeding the air can be regulated which ensures that the milk does not flow too quickly so the calf only gets the milk into the maw and diarrhoea is prevented when the calf is bigger you can increase the air flow which will save you time when feeding the especially ergonomic shape en