Patent ID: 8353877

Claim:
A method for treating or preventing or suppressing a disease or condition in a non-human animal, the method comprising: providing a single delivery device containing a first component and a second component for sequential delivery from the delivery device; delivering the first component from a first receptacle of the delivery device into a teat canal of a non-human animal; and subsequently delivering the second component from a second receptacle of the delivery device into the teat canal without substantial mixing of the first component and the second component by; at least partially opening a valve of the delivery device fluidly separating the first and second receptacles, the valve including a valve body disposed on the second receptacle, wherein at least partially opening the valve includes contacting the valve body with the first receptacle to slidably move the valve body into the second receptacle, and delivering the second component from the second receptacle through the at least partially opened valve towards the teat canal.