30 days. You must give the proper dose of Heartguard Plus every 30 days to protect your dog from Heartworms.
Heartguard itself isn't necessary for dogs,but some form of heartworm prevention should be given monthly whether it is heartguard or a different brand. Heartworm disease is caused by mosquitos and since they're everywhere,ones pets should be on heartworm prevention. It is less expensive in the long run to prevent then it is to cure.
about 3-5 days
You can start giving Heartgard after your puppy reaches 6 weeks of age.
usally 5 years but should be checked monthly
It could last from afew days to 2 weeks x
actually never
God Knows pal, ask your mum!
Its actually a glossary 900 pages long
if you get the monthly you an choose when and if you get a year a year look it up on fantage my user is sassy6056 hope his helped
Depends how you use the internet, if you use it for the basics it will last longer. You might want to just go with a monthly service.
The great plague actually only lasted 1year.