The development of the selected indicators of fertility of cows with using a variety of programs to detect of estrus. 3 s: v0 p$ O6 R& d4 u1 Mhttp://www.cabdirect.org/abstracts/20153201712.html;jsessionid=72F4E2146C3678D6636D6B05A347EC33
& z" G% P# f6 p" @, i, IThe development of the selected indicators of fertility of cows with using a variety of programs to detect of estrus.% U( k0 C) ^7 Q. B3 U% J4 m7 c