Vie CONG. INTERN. REPROD. ANIM. INSEM. ARTIF., PARIS, 1968, VOL. II

TABLE 1 - RESULTS OF SYNCHRONISATION OF OESTRUS IN GILTS.

Number of gilts Days required to return
oestrus after cessation
Group B+ 1) Group B- 2) Total of treatment

 

83%

NN »COTN|=
VOO EN

10
11
15
17
18
29
37
38
39
92 (?)

S DA NNN=_LD A a]l NI
B DD DNNN22222D2NNEANEENN -

1
23 16 39

B+ Group of gilts which has been in heat before treatment

B~ Group of gilts, for which no heat has been reported before
treatment.

 

TABLE 2 - DATA REGARDING REPRODUCTION AFTER SYNCHRONISATION OF
OESTRUS IN GILTS.

Number of gilts
Average duration of oestrus
Pregnant after first service

 

or insemination 27 (711%) 27 (71%)
Not pregnant 5 6
Littersize 9.0 8.6

1427