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Guinea pig dressout ratio

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Re: Guinea pig dressout ratio

Post Number:#16  Unread postby Ghost » Mon Apr 09, 2018 6:20 pm


Ok, I got a second crack at eating guinea pig. I was able to get weights on it, but I used a hand made balance, to weigh against a bottle with rocks and water. After weighing the bottle on a market scale, I assume my accuracy is ±20%. In other words these are just rough estimates.

The guinea I took weighed 2.3Lbs at death, One of the larger European mutts. Dressed out she weighed 1.2 Lbs including liver heart and kidneys. This gave me a yield of 50% for meat+fat+bone. Not the best, but these GPs were not breed as meat GPs. Still glad she gave me about a pound of meat.

The butcher style I used I call western skin-off, which means head and feet removed, along with the skin (I used open skinning). This is different to a western skin-on where the guinea pig is scalded and and the fur is plucked out.

GPs have a good amount of meat in the neck/head region. Because of this, when you dress a headless carcass, the best dress-out ratio is obtained by keeping as much neck on the body as possible. After examining the severed head, I did find that there was a single vertebra attached to the skull, even though I would have preferred to cut the head from the final vertebra.

Here are pictures of the final dressed meat carcass.
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meat-carcass-01B.jpg
guinea pig meat carcass ventral side
meat-carcass-01B.jpg (39.59 KiB) Viewed 200 times
meat-carcass-01A.jpg
guinea pig meat carcass dorsal side
meat-carcass-01A.jpg (36.94 KiB) Viewed 200 times
You have to do the most good for the most. You must remember that a few won't make it. Don't be ashamed to shed a tear for the ones lost along the way, we will not hold it against you. Just remember "the herd goes on".

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Re: Guinea pig dressout ratio

Post Number:#17  Unread postby akane » Tue Apr 10, 2018 4:22 am


While a pound of remaining carcass seems small keep in mind the dress out on a rabbit not bred specifically for meat purposes but still from commercial body types will frequently barely get you 50% and 60% is usually plenty acceptable for a meat line. Poultry do surpass mammals in that aspect with closer to 70-80% hot or hanging carcass weight. They barely have a head, legs (do have uses), or any heavy bone to the parts removed along with a shorter digestive tract. To get around 50% when all inedibles but bone are removed out of a lighter boned mammal is not a bad end product depending what you spend on feed. Now go search up some new "receta de cuy". ;)
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Re: Guinea pig dressout ratio

Post Number:#18  Unread postby Ghost » Sat Jan 26, 2019 1:57 pm


Some months ago, I ordered a cheep digital scale from EBay. Yesterday I was able to get an accurate weight when I processed my 3rd GP. The GP (White Streak) was a mutt of European decent. I originally planed on saving the liver, heart and kidneys for myself, but I did not. I was just taking too long and I just wanted it to be over (Longer story in the rant section). My friend's dog did enjoy eating the giblets out of the pile, so they did not go to waste.

This time I took a fully adult male GP , I don't know his age at death, but last April there were no large males, so if White Streak had been born before then, he was only a pup. WS's weight at death was 1090g and his processed weight was 380g a rather poor 35%, I'm sure loosing the liver was a major loss in recovery weight. It is also interesting that his his hide is rather heavy, waited in at 280g. If should be noted the death weight was with dry fur. The wight of the hie includes dripping wet fur. WS had dust mop style fur with a few rosettes.

The next day while looking at the hide, realized a pro could have taken off the hide with much less fat. Watching the hog vid, I see the man was able to pull a clean white hide with only a few spots of fat and such. Mine was the opposite, a hide covered with fat and such with only a few clean white spots.

Just wanted to give more realistic numbers for western skin-off dressing. Don't want give someone an unrealistic expectation. Not sure why I got such different results from GP #2. I did say ± 20% but the discrepancy only makes since if both errors were in the opposite direction. I did notice that #2 was a female with tones of fat and #3 was a leaner male.
You have to do the most good for the most. You must remember that a few won't make it. Don't be ashamed to shed a tear for the ones lost along the way, we will not hold it against you. Just remember "the herd goes on".

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