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

    

Table 1. Breeding efficiency (60-90 day non-return percentage)
obtained by individual technicians with semen in straws
and pellets.

  

Tech-
nician

NO LSO =Y O N iy O TRy A i

o e e
H W D~ O

   
  

Straws

. N.-R.

78.9
78.6
75.5
T0.9
69.7
69.7
69.2
66.9
64.7
64.3
63.9
63.6
63.1
62.5

 

Pellets

No. of %
l. ins. N.-R. Difference

 

154
140
141
168

76.2
74.6
57.3
30.6
66.9
65.2
67.9
62.0
73.2
52.9
63.6
57.1
44.0
43.5

2.7
4.0
18.2
40.3
2.8
4.5
1.3
4.9
-8.5
11.4
0.3
6.5
19.1
19.0

   
 

< 0.001

< 0.001

<Lonol

< 0.001