Dogs, all dogs are jealous of their food bowl and their other "doggie" possessions. This jealousy is also responsible for most of a dogs' guarding instinct. Breaking dogs like your husband's from killing chickens is often a drawn out and sometimes a brutal task. You can do it but it is often not pretty. Can you handle that?
If the answer is yes, start looking at aversion training regiments or methods for your husband's dog.
If the answer is yes, start looking at aversion training regiments or methods for your husband's dog.