Definition of statement for English Language Learners. : 1  something that you say or write in a formal or official way : something that is stated. : 2  an opinion, attitude, etc., that you express through the things you do, the way you dress, etc.
A dog owner should have an idea when the pet will go into heat. The reproductive cycle varies from breed to breed. Generally puberty will occur as early as 6 to 12 months in small breeds and as late as 2 years in large breeds.
Also if a dam is in heat, it helps to stop the marking. Generally the dog comes into heat, and the experienced breeder notices right away, while the newbie may not notice till day four. Normally they are breedable on approximately day 12 to day 18, but they can remain in heat till day 21.