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MD Charity Campaign 
Number 27-2879838


Combined Federal
Campaign #15863

Thank you for Supporting
All Shepherd Rescue!!! 
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Heartworm Prevention

There are myths about when your animal needs to be on heartworm preventatives. The truth is, your dog should be on them all the time, even during the winter. If you don't know what heartworms are, read this information article posted on PetMD. There are many different types of preventatives to give your pets. Check with your vet to see which is best for your pet.  

PetsWebMD says "It takes about seven months, once a dog is bitten by an infected mosquito, for the larvae to mature into adult heartworms. They then lodge in the heart, lungs, and surrounding blood vessels and begin reproducing."

Click here to view the handout. 

*image from

Please read this article from the American Heartworm Society.


P.O. Box 23231 •  Baltimore, MD 21203  •  (410) 775-6473 •  adoptions [ at ]