How color works in cattle

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Re: How color works in cattle

Post by Rydero » Sun Mar 17, 2019 9:47 pm

Impressive. Seen the ww epd's for Brahman on the cross chart and yes that'd be nice to have in there. Trick would be keeping the ears on in this climate. Maybe a composite bull...



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Re: How color works in cattle

Post by Nesikep » Sun Mar 17, 2019 10:04 pm

The basic color is usually not too hard to get close to correct, but the patterns are really tough!

With Hector, it seems like he doesn't change the pattern.. how the cow looks is pretty much how the calf looks, perhaps a little darker on the roan cows

Cow with white socks had a calf with the identical white socks
Brocklefaced cow that has had many roan calves had a brocklefaced roan calf
Solid red cows all had solid red calves
White roan cow had a 50/50 roan calf today

Image

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This calf is more roan than she looks while wet here
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Last bull was a bit different, though he didn't have MUCH white (just white socks), If the cow carried white, the calf would have more, it was kinda an additive formula
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Re: How color works in cattle

Post by Jeanne - Simme Valley » Mon Mar 18, 2019 10:09 am

Rydero - you have the recessive/dominant genes correct.
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Re: How color works in cattle

Post by Randi » Mon Mar 18, 2019 9:07 pm


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Re: How color works in cattle

Post by 76 Bar » Tue Mar 19, 2019 8:37 am

Randi wrote:
Mon Mar 18, 2019 9:07 pm
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Small world. Book marked your site ages ago. :tiphat:

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Re: How color works in cattle

Post by Rydero » Thu Mar 21, 2019 8:14 am

Image

Here's a silver out of a black cow and a Charolais bull.

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Re: How color works in cattle

Post by Muddy » Sun Mar 24, 2019 11:03 am

Nesikep wrote:
Sun Mar 17, 2019 10:04 pm
The basic color is usually not too hard to get close to correct, but the patterns are really tough!

With Hector, it seems like he doesn't change the pattern.. how the cow looks is pretty much how the calf looks, perhaps a little darker on the roan cows

Cow with white socks had a calf with the identical white socks
Brocklefaced cow that has had many roan calves had a brocklefaced roan calf
Solid red cows all had solid red calves
White roan cow had a 50/50 roan calf today

Image

Image

Image

This calf is more roan than she looks while wet here
Image

Image


Last bull was a bit different, though he didn't have MUCH white (just white socks), If the cow carried white, the calf would have more, it was kinda an additive formula
If I remembered correctly, you had several spotted calves in the past. Hard to predict when you'll get a spotted calf when both parents have a hidden spotting gene.

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Re: How color works in cattle

Post by Nesikep » Sun Mar 24, 2019 11:31 am

Yup, the shorthorns make that pretty tricky.. Last bull showed spots (white socks) and while a lot of his calves were solid red, cows with white had calves with more markings.. This bull it seems the markings are steady.. calf has what momma has, give or take.
This one was born friday morning.. Got mommas star and white socks, didn't get the white flanks though
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Re: How color works in cattle

Post by Jeanne - Simme Valley » Sun Mar 24, 2019 12:17 pm

white on the head/face, bellie, tail, legs are a different gene - but some seem to be somewhat connected somehow. The body spot - white totally surrounded by color on the BODY is a separate recessive gene from all the others.
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