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Author Topic: Heritage Shorthorn Society  (Read 9402 times)

Online cbcr

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Re: Heritage Shorthorn Society
« Reply #15 on: March 16, 2018, 01:54:35 PM »
A traditional genetic evaluation takes into account an animals production, parent averages, type classification, and a few other pieces of information.

With the dairy genomics, using hair, blood or tissue which is analyzed by the USDA.  There are a few different test that can be used and depends on the breed.  With the Holstein a low density (about 7,000 or so markers), the next step up uses 42,000 markers and the top test is using 150,000 markers.

Offline 764wdchev

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Re: Heritage Shorthorn Society
« Reply #16 on: March 16, 2018, 02:45:33 PM »
Do the big dairies have internal labs for the testing, or is it all outsourced through an asssocian/council? Do they have different tests for the different dairy breeds?

Just out of curiosity.

The beef breeds appear to have different tests, although I would theorize that they are all based off of the same test. The outlier breeds, like Wagyu seem to have different tests, and I don't know how the bos taurus tests work on bos indicus influenced cattle.

It's way off topic from the original post.....
If it was easy, everyone would succeed.

Online cbcr

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Re: Heritage Shorthorn Society
« Reply #17 on: March 16, 2018, 07:41:17 PM »
The genetic evaluations for the dairy breeds are sent to Interbull and pooled with breeds from other countries that participate with Interbull.  Then the data is brought back to the CDCB (Council on Dairy Cattle Breeding) where it is evaluated by breeds.  Holstein, Jersey, Brown Swiss, Ayrshire, Milking Shorthorn, Guernsey have their own breed bases.

If an animal is crossbred then she is evaluated based on the breed of her sire.

With our breeds the Viking Reds (Red Dane, Finnish Ayrshire and Swedish Red), Norwegian Red, and the North American Red are all evaluated on the Ayrshire base.  The Fleckvieh and Montbeliarde are sent to Interbull on the Simmental base, but when their data comes back to the US they are put on the Holstein base.

The way the data flows is thru DHIA (Dairy Herd Improvement Association).  Herds that are enrolled have a person that comes to the farm once a month to collect milk weights and milk samples on each milking cow.  The samples are sent to a lab and processed for butterfat and protein.  The milk, fat and protein are used to calculate the cows estimated production for her current lactation.  From the central lab is goes to a DRPC (Dairy Record Processing Center) of which there are 4 in the US.  The data is processed for the dairy and reports are sent back to the dairy.  Information from the DRPC's are then sent to the CDCB.

Offline 764wdchev

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Re: Heritage Shorthorn Society
« Reply #18 on: March 16, 2018, 08:24:35 PM »
Thank you!
If it was easy, everyone would succeed.

Offline Duncraggan

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Re: Heritage Shorthorn Society
« Reply #19 on: March 17, 2018, 02:02:53 PM »
Another Native Shorthorn.  The red cow is 10 years old and the roan is 7 years old,  maternal sisters
It always amazes me how these 'native' Shorthorns could pack such depth and width on the fine bone structure they seem to have. This was before Photoshop so is genuine!
My quest is this fleshing ability. With the perceived shift from 'commodity beef' to 'niche' or 'premium brand' marketing, including 'grass-fed' there is a place for these genetics
The best I have so far is JSF Gauge 137W daughters.
Great that there is a Heritage Shorthorn Society up and running, may you go from strength to strength!

Offline knabe

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Re: Heritage Shorthorn Society
« Reply #20 on: December 08, 2021, 09:42:22 PM »
« Last Edit: December 08, 2021, 09:42:34 PM by knabe »
"The generation that told us to question authority, has now become the Authority we cannot question!"

Offline knabe

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Re: Heritage Shorthorn Society
« Reply #21 on: December 08, 2021, 09:55:34 PM »
in the book, it's mentioned about the sire of "the heifer that travelled"


never knew it was a real animal.


mentioned on page 9


https://www.biodiversitylibrary.org/item/62997#page/15/mode/1up

https://www.globalgallery.com/detail/265794/weaver-the-white-heifer-that-travelled
"The generation that told us to question authority, has now become the Authority we cannot question!"

Offline knabe

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« Last Edit: December 24, 2021, 11:49:55 PM by knabe »
"The generation that told us to question authority, has now become the Authority we cannot question!"

 

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