
Trends in the Breeding-population Index 

1953-62 
(cont'd) 

1954 
1995 
1956 
1957 
1958 
1999 
1960 
1961 
1962 

] 26.2 
Revs 2, B48 
f.He 
we 9-7 
p B 
fi MBX » 28.7 
3,139 
22.9 
N.Y OTs 
y.car. 15-3 
677 
N.Dak. 9-9 
687 
onio 22.0 
905 
Okla 13.4 
928 
Ore. 36. 6 
2,789 
| Penna. 9.5 
| 223 
R.[* 
S.Car. 18.9 
578 
B.Dak. 29.2 
| 2,145 
Tenn. 15.2 
638 
27.5 
2,989 
16.6 
125 
25.8 
2,821 
19.3 
231 
21.2 
938 
Vfl: 
1,198 
27.2 
1,119 
23.0 
1,594 
2h.5 
Ly Tt? 
13-7 
321 
31.2 
959 
38.1 
2,799 
19.4 
814 
28.4 
3, 087 
11.4 
86 
42.8 
4,681 
20.0 
240 
23.8 
1,053 
18.0 
1,261 
22.2 
913 
32.1 
2,22h 
30.8 
2,226 
11.8 
277 
29.6 
906 
60.4 
4438 
24.7 
1, 036 
27.2 
2,957 
11.8 
89 
31.7 
3, 467 
31.8 
381 
23.9 
1,057 
21.6 
1,513 
18.2 
748 
42.1 
2,917 
29.8 
2,153 
13.2 
310 
29.6 
906 
50.1 
3,681 
25.1 
1,053 
28.0 
3, OY 
14.0 
105 
23.0 
2,515 
30.2 
362 
ehh 
1,079 
2.7 
1,730 
20.2 
831 
51.0 
3,533 
33.8 
2, hue 
15.0 
352 
30.0 
918 
74.3 
5,459 
34.9 
1, 464 
-15- 
18.1 
1,968 
15.7 
118 
2h.5 
2,679 
25.0 
300 
22 .6 
1,000 
30.3 
2,123 
24.3 
999 
55.8 
3,866 
28.8 
2,081 
13.1 
307 
31.6 
967 
51.8 
3,806 
31.7 
1, 330 
33.2 
3,609 
3.0 
18.3 
138 
32.0 
3, 900 
18.7 
eek 
27.9 
1,234 
33-1 
2,319 
20.3 
835 
55.2 
3, 82h 
42.3 
3,097 
14.3 
336 
14.0 
30.2 
92h 
47.0 
3,453 
26.6 
1,116 
2h. 
2,620 
LAT 
18.3 
138 
55.6 
6, 080 
28 .6 
343 
27.0 
1,194 
35.0 
ye 
17.8 
732 
45.1 
3,125 
38.8 
2,804 
12.7 
298 
8.0 
32.0 
919 
29.4 
2,160 
27.0 
1,133 
29.6 
3,218 
3.8 
16.3 
123 
37-4 
4,090 
23.5 
282 
23.7 
1, 048 
36.9 
2,585 
21.6 
888 
46.0 
3,187 
43.0 
3,107 
13.2 
310 
10.0 
31.7 
970 
35.5 
2,608 
22.9 
961 
14.9 
1,620 
2.8 
16.2 
122 
32.8 
3,587 
ay 4 
325 
26.1 
1,154 
33.2 
2,326 
25.8 
1,060 
40.2 
2,785 
36.8 
2,659 
10.9 
256 
11.0 
28.5 
872 
27 4 
2,013 
26.4 
1,108 
