“What type of magazines do cows read?”/“Cattlelogs.”

“Catalogs” sounds like “cattle-logs.” “Where might you expect to find a cow’s pedigree?—In a cattle-log” was cited in an 1873 newspaper. “When cows are shopping by mail-order, do they buy merchandise through cattle-logs?” was a “Cryptoquip” answer that was published in many newspapers in October 2003.
 
A riddle was posted on Twitter on September 9, 2014:
 
Q: What kind of magazines do cows read?
A: Cattle-logs!
 
“What type of magazine do cows read? Cattlelogs” was posted on Reddit—Dad Jokes on January 11, 2018.
 
     
1 April 1873, The Semi-Weekly Eagle (Fayetteville, NC), pg. 1, col. 2:
Where might you expect to find a cow’s pedigree?—In a cattle-log.
 
Google Books
Noah’s Favorite Animal Jokes
By Compiled by Barbour Staff
Uhrichsville, OH: Barbour Publishing
2003
Pg. ?:
How did the farmer’s wife keep track of their farm’s steer population?
She used cattle logs.
 
8 October 2003, Herald Times Reporter (Manitowoc, WI), pg. D4, col. 5:
Yesterday’s Cryptoquip: WHEN COWS ARE SHOPPING BY MAIL-ORDER, DO THEY BUY MERCHANDISE THROUGH CATTLE-LOGS?
 
Twitter   
Pearl ‘Penny’ Lane‏
@PearlLaneSoliz
[Joke Time] Where can farmers mail order products for their cows? ... From cattle-logs. #jokes #funny
7:35 AM - 25 Apr 2010
 
Twitter
TheSleazeParticle‏
@mehrzee
From where do cows shop? From cattlelogs?
10:05 AM - 9 Mar 2011
     
Twitter
Kowbelle‏
@KowbelleRules
How do cows do their holiday shopping? They order from Cattlelogs!
http://www.cdbaby.com/cd/kalfields
3:45 PM - 26 Dec 2012
 
Twitter
useThe4ce‏
@Sodajrrk
What kind of magazines do cows read?
Cattle-logs!
#jokesIMadeUp #ithink
3:59 PM - 9 Sep 2014
 
Twitter
Angie‏
@angelicamporter
“He reads cow magazines”
“No, he reads CATTLElogs…hahahaha”
I crack myself up
10:36 AM - 5 Mar 2015
     
15 May 2016, Sunday Telegraph (Surry Hills, Australia), “Laugh till your face hurts,” pg. 73:
Q: What do cows read?
A: Cattle-logs!
 
Google Books
Happy Smile:
Jokes for Kids
By Adam Smith
Lulu Press (Lulu.com)
2017
Pg. ?:
What do cows read?
Cattlelogs.
 
Twitter
ash ✨‏
@ashwitdacash_
what do cows like to read?
cattlelogs
12:16 PM - 26 Oct 2017
 
Reddit—Dad Jokes
What type of magazine do cows read? (self.dadjokes)
submitted January 11, 2018 by fuck_the_amish137
Cattlelogs
 
Twitter
Dad Jokes‏
@Dadsaysjokes
What type of magazines do cows read? Cattlelogs…
2:15 PM - 11 Jan 2018