That depends which vet you go to.
6 months
150 euro
up to 650 pounds
There is a low cost Spay-Neuter Program at the SPCA of Northern Nevada. They also offer low cost testing to monitor your pet for heart worm or any other problems
Hopefully, free clinics are available.
20,000 rupees. It can vary from who you buy it from and where you live.
Do you mean spay/neuter your rabbit? you are not de-sexing them. It is cheaper to neuter males than to spay females. Cost is between $75.00 and $150.00 unless you can find a spay/neuter clinic going on somewhere.
Free!
The costs to neuter a dog, including a boxer, will vary depending on location and the vet. You should be able to have it done for somewhere around $200. There are often low cost spay/neuter programs offered by different organizations. It pays to check around.
a mixed breed is usually $ 40 to $100, while a purebred is usually between $100 and $ 400.
There are a variety of programs nationwide that offer no- or low-cost spay and neuter services. To find a location near you, check out this link with information I put together on locating a no- or low-cost spay and neuter facility: http://www.ehow.com/how_5433473_cat-spayed-neutered-lowcost.html
The costs vary between veterinarians, even in the same city. Contact your local veterinarians on costs of neutering ferrets.