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Scale Weight vs Formula Calculated Weight
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First one--shot a small sow tonight that weighed 49# on my scales and the calculated weight was 31.64 lbs.
Tomorrow I will check my scale against one I know is right.

Going to take a bunch more to convince me that the formula is right/wrong, but this is a start.


An old pilot, not a bold pilot, aka "the pig murdering fool"
 
Posts: 2905 | Registered: 14 October 2004Reply With Quote
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From my looking at the original source, the formula is based on pen raised pigs. True feral hogs that have multiple generations of wild living are built different. The piney woods rooters are all much slimmer in the hind quarters. They are also less fat.
I don't know if this will make much difference but it is observational.
 
Posts: 71 | Location: College Station TX | Registered: 06 April 2012Reply With Quote
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Docbill---hadn't considered that -- you are likely correct as the ferals are no where near as bulky as pen-raised hogs. If that is the case, then the 236 pounder is more likely a 175 or so.


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Posts: 2905 | Registered: 14 October 2004Reply With Quote
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quote:
Originally posted by dustoffer:
Docbill---hadn't considered that -- you are likely correct as the ferals are no where near as bulky as pen-raised hogs. If that is the case, then the 236 pounder is more likely a 175 or so.


Can someone explain this please?


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Posts: 69639 | Location: Dubai, UAE | Registered: 08 January 1998Reply With Quote
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Saeed,

What portion of it are you looking for an explantion of?

Domestic pigs who go feral do undergo significant changes in their body structure.

While there were eurasion boar imported into California in the early 1900s, 99% of all California wild pigs are domestic pigs that have gone feral. The pic beow shows changes in their skull structure:

Domestic on the left and Feral on the right.



Their body structure also changes. Higher in the front shoulders, lower an narrower in the hams and longer courser hair.

With respect to weight estimates, I have found the best estimator is "butcher hanging weight" times 2 is very close to live weight - within about 2%. I have verified this about 6 times. Freshly shot wild boar weighed on a ranch scale then weight at the butcher after being gutt, skin, head remove legs cut off at the knees.

I don't think you could use the same kind of formulas on domestic pigs vs. feral pigs.


Mike

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Posts: 10181 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Saeed—here’s the website—

https://www.phinhall.net/onlin...g-weight-calculator/


An old pilot, not a bold pilot, aka "the pig murdering fool"
 
Posts: 2905 | Registered: 14 October 2004Reply With Quote
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I'm an idiot, I just shot a sow yesterday and forgot all about trying to get measurements and a weight.

Maybe once we get some comparison data, we can adjust the formula.

I believe the formula is:

A1 x A1 x B1 / 400

Where"
A1= Body circumference in inches (Taken immediately behind front legs)

B1= Body length in inches (taken from base of skull, between the ears, to base of tail
 
Posts: 523 | Location: Denton, Texas | Registered: 18 May 2004Reply With Quote
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quote:
Originally posted by gsganzer:
I'm an idiot, I just shot a sow yesterday and forgot all about trying to get measurements and a weight.

Maybe once we get some comparison data, we can adjust the formula.

I believe the formula is:

A1 x A1 x B1 / 400

Where"
A1= Body circumference in inches (Taken immediately behind front legs)

B1= Body length in inches (taken from base of skull, between the ears, to base of tail


I started carrying a tape measure in my pocket---hopefully it will be a reminder. I'll be out tomorrow night--


An old pilot, not a bold pilot, aka "the pig murdering fool"
 
Posts: 2905 | Registered: 14 October 2004Reply With Quote
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I guess I just use a simple scale.

Small, medium, large and really big.
 
Posts: 19835 | Location: wis | Registered: 21 April 2001Reply With Quote
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quote:
Originally posted by p dog shooter:
I guess I just use a simple scale.

Small, medium, large and really big.


I sold my hoist so my scale does me no good on the hogs above 60-70 lbs

This pair calculated at 126 and 134 I think I remember.





An old pilot, not a bold pilot, aka "the pig murdering fool"
 
Posts: 2905 | Registered: 14 October 2004Reply With Quote
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