There is a formula to estimate hog weight using the heart girth.
Weight = 10.1709 x hearth girth (inches) - 205.7492
My latest boar had a heart girth of 46 inches.
Estimated weight = 10.1709 x 46 - 205.7492
Estimated weight: 262 pounds.
Actual weight: 250 pounds.
The formula seems to work well.
I’ve tested it on many different hogs and the formula gives a good estimate.
Also note that to change ten pounds in weight the girth must increase by one inch.
I also found this tabulated chart which you might find useful.
Girth to weight estimator
34 inch = 140 pounds
36 inch = 160 pounds
38 inch = 180 pounds
40 inch = 200 pounds
42 inch = 220 pounds
43 inch = 230 pounds
44 inch = 240 pounds
45 inch = 250 pounds
46 inch = 260 pounds
47 inch = 270 pounds
48 inch = 280 pounds
49 inch = 290 pounds
50 inch = 300 pounds
51 inch = 310 pounds
Porcus Hogrelius
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