Clearly if this cow is slaughtered and it's skin used for tefillin, mezuzot or a sefer Torah, that Stam cannot be considered kosher. We must avoid tefillin, mezuzot and sefer Torah purchases for the next 3 years!

(On a serious note, the use of treif slaughter produced parchment is a real and serious problem, one should verify with one's sofer that kosher-slaughter sourced parchment was used.)

The cows eat heiter mechira.

Import arab farmers to live in charedi neighborhoods and raise fresh hay for super 'kosher' cows to produce super 'kosher' milk. And charge twice as much. Then demonstrate against the 'evil tziyonim' who refuse to subsidize super 'kosher' (and probably stale / spoiled milk like in america) milk.

Satmar, as you may know, forbid tfillin made by sofrim who vote in tziyoni elections, and tfillin whose production has anything to do with israel. Of course, those retzuot / straps cost more than twice as much.

I have no words to respond to this "humrah." :-/

On another topic, there is a[n apparently] little known joke among secular, Heter Mekhirah, Kibbutzim. Arabs come and buy up some (much?) Heter Mekhirah produce, and then sell it for a higher price to Haredim as "Yevul Nokhri," which then gets sold in stores as "Mehadrin."

Go figure. :-/

http://5tjt.com/the-almost-chumrah-of-shemittah-milk/ - this explains the origins of this 'chumra' and why it isn't real