
CENTRAL FLYWAY 
Production Indices . 
Following are the production data gathered during the July aerial 
survey: oO . 
Comparison by Species - July Brood and ''Later Brood" Indices - 
Southern Saskatchewan, 1952-1954 
TC A 
JULY, 1952 JULY, 1953 
SPECIES | | : : 
Potent. Late. Brds. ll SBroodete | Potent. Late Brd 













Pintail 272,160 32, 870 
Mallard 155,510 107, 890 
Baldpate 10,520 21,080 
Shoveler 32, 380 13,390 
Gadwall 7,580 14, 840 
B-w. Teal 17,500 33,380 
G-w. Teal 800 3,460 
Scaup 1,530 28,450 
Canvasback 6, 840 15,450 
Redhead 420 7,970 
Ringneck 420 2,990 
Ruddy 3, 150 14,020 
Goldeneye - 
Scoter 2,540 
Bufflehead 450 

TOTAL 509, 200 183, 630 
BROODS 
TOTAL LATER | | , = 
BROODS 140, 790 202, 370 
COOT 28,770 84, 230 7 8, 380 53,480 
PONDS © 2,551,420 

a ae 
Continued 
37 
