THE GROWTH, THE DEVELOPMENT AND KEEPING OF THE PIGLETS PIGLETS DEPENDING ON THEIR LIVE WEIGHT
The article presents results of study the growth, development and preservation of piglet’s large white breed, in dependce on their live mass under birth. The research was conducted in LLC «Zurinsky Agrocomplex» of Igra district, Udmurt Republic. For conducting research were formed five groups of suckling animals with accounting live mass under birth. The first group consisted of piglets with low live mass (1.14 ± 0.007 kg), the second and third groups - gilt piglets with average mass (1.25 ± 0.005 kg) and (1.33 ± 0.005 kg), and the fourth and fifth groups - individuals with high mass (1.47 ± 0.02 kg) and (1.61 ± 0.04 kg). A study of growth and development animals in suckling period was conducted by means them weighing under birth, in 20 days and 60 days. A study of the preservation of piglets - suckers was conducted by calculating percentage of live piglets in 2 months on the number of piglets under birth. The results of conducted researches showed that piglets of II, III and IV, V groups, exceeded the peers group I on live mass under birth - on 0.11-0.19 kg and on 0.33-0.47 kg, in 20 days - on 0,45 - 0,82 kg and on 1,23 - 1,71 kg, and in 60 days - on 1,55 - 2,80 kg and on 3,80 - 5,41 kg (P> 0,999). A vitality of the young animals of II, III, IV, V groups was higher than that of the individuals of the I group on 40.41-43.54% and 46.24-53.54%.