[Avodah] kashrus of milk

[Rich, Joel]

In <http://www.wisc.edu/dysci/uwex/nutritn/pubs/tristateda01.pd>,
"Prevention of Displaced Abomasum", the literature estimates that LDA
(left DA) is 90% of all incidences, and occurse in somewhere between
1.4%
- 5.8% of all herds. Usually in calves, and usually ones that were fed
improperly when being weened, or had other health issues (hypocalacemia,
ie low calcium), ketosis, or bad Body Condition Score. Of those, 10% are
allowed to die.

I therefore to not know how many of the up to 5.8% are actually then
milked.

Tir'u baTov!
-mi

-- 
Interesting stats - which could impact our original 1/60 discussion -
perhaps chazal assumed (correctly) that the bottom of the now current
range was the "fact" and thus batel bshishim applied and no one felt it
needed to be stated (because that's the way it is) and nishtaneh hateva
at some point while noone was watching (so R' HS would be only doing
what should have been done if anyone noticed.  Of course then we get
into the bhemtan shel tzadikim issue)

KT
Joel Rich
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