I've seen pigs as large as most cows. My uncle brought his last hog home from the locker plant... 700lbs of packaged meat.
I'd say you're looking at at least two large chest types. I doubt if the largest commonly available chest freezer would hold all of those critters. With two freezers, you also have some flexibility, and backup capability, if the other fails.
I'd probably put the cow and hog in the freezer, and let the rest walk around a while, and eat em fresh, when needed (that is, if the critters are still alive).
Luck is what happens when preparation meets opportunity. Seneca
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For what's listed atleast 2 or 3 freezers! 100 meat type chickens will take up a freezer. How about salting/smoking the pig? Maybe canning the other meats? If you have two freezers, fill up one completely, then as you are filling the other one use only meat from the first. Use the first one up completely, then start on the second. This way you will never have old meat, It seems that with one freezer only the stuff on top gets eaten, the stuff on the bottom keeps getting covered again and just sits there for years!
1 cow - can't help with this, but I suspect about 30 cu ft
1 pig = 7 cu ft if the live weight at slaughter is 240 lbs
100 chickens = about 25 cu ft (average 5 lbs dressed)
2 geese = about 3 cu ft
3 turkeys = about 6-10 cu ft depending on breed (BBW will be much larger than most heritage breeds)
Side note: If you are going to store this much meat, buy a good generator. Having it split between 2-3 freezers won't give you any "backup" advantage as they will all be full.
two large chest freezers or three medium sized freezers, in my opinion,
our large one is 23 cubic foot, and we have two smaller ones about a third less in size is my guess, there in the barn so I am not going to look,
we just put 75 chickens into one (I call it medium sized chest freezer) and it is 3/4 filled,
Really kinda depends on how big they all are. If you butcher the cow at 800 lbs or 1300 lbs makes a big difference, same with the pig. 100 chickens just about fills our upright to overflowing. However we have a lady at our church who butchers her chickens at 1 1/2 lbs so they wouldn't take up near as much space. We just had a hog butchered at 180 lbs and it filled up 2 shelves in our upright. Currently we have a hog, deer and probably 60 chickens in a upright and a small chest freezer and they are pretty full. I agree with CF that unless you are feeding a very large family a lot of meat maybe you could butcher at different times to make sure nothing has a chance to get to old. We kinda stager ours out for that reason.
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I was looking at a meat locker sale a couple of weeks ago and according to their figures you could put 250 lbs. of beef in a 9 cu. ft. chest freezer. That was the weight before being cut and wrapped. So, if you have an idea of the weight of the cow and pig, you can roughly figure from that.
I think a large chest freezer could handle everything but the chickens. Chickens are bulky for the weight, that is a three pound chicken will take up more room than a three pound roast. For the same reason, its much harder to prevent freezer burn with chickens. So, for me, I'd reduce the number of chickens and raise two or three batches each year rather than one big batch.
That said, how many are you feeding and for how long, because that is a horrendous amount of meat.
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