11th day of estrus
People also ask
How old should a female dog be when she is fertile?
A female dog usually becomes fertile for the first time after she is six months old. However, she should not be bred during her first estrus. Since heat usually occurs every six months approximately, this means that she should be at least a year old when she is bred.
When is the best time to test my dog鈥檚 fertility?
For most female dogs, this critical time will fall between the tenth day and the fourteenth day of heat. However, there are dogs for which that time falls as early as on the third or fourth day or as late as on the eighteenth day. Because of these variations, it is extremely important to confirm your dog鈥檚 fertility using the tests listed above
Does a female dog being in heat mean she鈥檚 more fertile?
What many people don鈥檛 know is that female dogs being in heat doesn鈥檛 always mean they鈥檙e the most fertile. Keep reading to learn how to tell when that is. The first thing to know is that you can鈥檛 mate dogs until both of them are at least 18 months old.
When is the best time to breed a female dog?
With female dogs, you can start as early as their second heat cycle, but it鈥檚 best to wait till at least their third because that鈥檚 when they鈥檙e most fertile. She still might not always let the male dog mount her, though, which is actually very common.