Age of the dog: two days

The puppies are breast-fed, with eyes still closed,  and they are guided by mother’s scent.

Age of the dog: two weeks

The puppies become much more independent, they are still breast-fed, but with eyes open, starting  sniffing the things nearby.

Age of the dog: four weeks

· The pappy starts eating, first the food that is in the liquid state, and soon after the puppy starts consuming the food in the solid state. The mother is preparing puppies  for the termination of breast-feeding.
· Puppies play with each other, they are becoming aware of their surrounding, but they are still exploring it. Moreover, they bark and use other objects for playing
· In this period of life, they can be medically treated against parasites, but also treated with vitamin medications

Age of the dog: eight weeks

· The puppies drink water and eat alone; they are aware and well oriented in their surroundings, and very dynamic as well.
· In this period of their life, soon after the dehelmintization,  they can be vaccinated.
· The treatment with vitamins can be repeated.

Age of the dog: five month

· This is a period of life when the formation of the microflora of intestines in being finished, so that the puppies are very sensitive to the changes in alimentation.
· They have already been immunized against infective diseases characteristic for puppies and young dogs.
· They are very sensitive to temperature changes. Therefore, respiratory infections may be common in this period of life of the dog.
· They can be profilactically treated against ektoparasites

Age of the dog: 2 years

·  In this age, the dog is grown up, sexually mature, regardless of gender.

·  The time and way of alimentation is defined.