УДК 636.2:591.18:591.5:637.11
BEHAVIORAL REACTION IN COWS WITH DIFFERENT TYPE OF HIGHER NERVOUS ACTIVITY DURING MECHANIZED MILKING
Yu.A. Kravainis
In scientific-practical experiment during 12 years on the cows (Yaroslavskaya breed x Holstaine) divided into 4 groups in connection with type of nervous activity the author investigated the character of behavioral reaction (from 1-th to 7-th lactation everyday). The most trauma dangerous behavior was detected in animals with strong unbalanced type of nervous system — during 1 month after calving, in animals with weak type — during 4 months.
Key words: type of nervous activity, behavior, machinery milking.
ГНУ Ярославский НИИ животноводства |
Поступила в редакцию |
