, . 3,5–4,5 . .
, 2–3- , . 4–5- , .
. 0,7%- 25 , .
, 10–12 .
12–14 . ( 10 ): – 3, – 2, – 3, – 0,8–1, – 1–1,5, – 2,5, – 0,5–0,7. .
14–20 ( ). (0,02%) 12–14 . (35–40°C). : 3 , 0,3 , 2 10 . 2 , 1,5–2 . 2 ( ) . 25–28°C.
3–4 , ( ); .
32–34°C. , . 55–60%, . , , 12–14 . 30°C . 28°C.
