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Post by legendrockranch on Jan 7, 2010 16:11:05 GMT -5
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Post by Star Creek Dexters on Jan 8, 2010 9:47:00 GMT -5
Thank you Barb! This is a fantastic teaching tool! Since I homeschool my children, I really appreciate you finding this! What a great visual.
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Post by legendrockranch on Jan 8, 2010 19:36:20 GMT -5
Thanks Kimberly,
I knew it was for beginners, glad to hear it might be useful for you kiddos.
Barb
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Post by dexterfan on Jan 9, 2010 11:26:05 GMT -5
Hey, Barb!
Just got a chance to watch the 4 part series. Finding uninerrupted time can be difficult during the week. (We, too, homeschool.)
Appreciate your posting the site. I wondered what SNPS were. Now I know! Did anyone else notice that sex (Male vs. Female) is determined by the male species. So you can look at the calves produced by your bulls and see if he is throwing mostly boys or mostly girls. It's a genetic thing! (Feel free to correct me if I'm wrong...but that was amazing to me when I was studying biology in my younger years!)
Kelly
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Post by Star Creek Dexters on Jan 9, 2010 11:49:23 GMT -5
Yep, it's amazing how many people are mislead on that point. Imagine all the poor women of the old days that were looked down apon for not having a son....
So it's about time we can point our dainty fingers at the guys =) All in good fun! We love our guys and our bulls =)
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Post by wdd on Jan 9, 2010 12:39:22 GMT -5
I would like to point out that the male delivers both the X & Y chromosomes and its the female reproductive tract that takes over from there. The acidity, temperature, how long since ovulation, etc. all play a role. But us men can only provide both chromosomes and it is up to the female what to do with them ;D   . |
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Post by marion on Jan 9, 2010 23:05:10 GMT -5
Hi Gene, Don't want to burst your bubble, but ALL bulls know which cow is going to come into heat, long before we would  and shadow the cow and breed her from the first time she will stand until she will no longer stand.. |
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Post by wdd on Jan 9, 2010 23:56:39 GMT -5
The female (X) is the slower, bigger, and stronger of the two. So if introduction of the sperm happens too soon before ovulation the male (Y) which is faster, smaller, and weaker will die before fertilization can occur. The female sperm can last longer and survive a more acidic environment. I remember hearing about there being a protective coating on the ovum that has to be worn away or a chemical reaction has to take place before it can be fertilized (this too is coming from many years back while I was in school so may not be exactly correct). Also the first sperm to arrive at the right time die helping to disolve the coating to allow another the chance to fertilize (first is not the winner when it come to fertilization). So the longer the trip from where the sperm is deposited to the ovum (distance or time) and more acidic the environment the greater the chances of a female. So Gene, you should be getting more females with a short eager bull and acidic water. Maybe a little more ACV in the water will lower the PH enough to get Brenn seeing pink. Maybe he is just too tired to get the job done early enough when she is finally willing after all those late nights and long walks trying to convince her the time is right  . |
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Post by Star Creek Dexters on Jan 10, 2010 8:42:59 GMT -5
Lol, this thread SO just made me laugh! Thanks guys for being so wonderfully defensive of your man-ly-ness =) Ya'll are great fun! =D
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please ignore.
and shadow the cow and breed her from the first time she will stand until she will no longer stand..
.