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Thank you Dr. for the answers. I know that with AI we will inseminate all dnors, showing or not heat. For bull use, ok with showinh heat cows, but the ones that not show heat is my fear! Thank you again.

Please, you all can explain and describe pass to pass all protocol. I'm having problems with my TAI. Would to be great experiment a new protocol. Thank you all.

Thanks Dr. Elsden. So, any hormon protocol for fat cows? Do you have experience with bull natural mating vs. AI on embryos qualityt and quantity?

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All are affected, native, no native, heavier, lighter, males, females....all are affected equally. Differences are saw animal by animal, interest as some ones are more affected than another ones, animals of same breed. Some difference is saw on zebu blood (Santa Gertudis/ Braford) or adapted...

Ticks are evil creatures!  :'( We have it almost around year and they really affect seriosly calves growth, also take off lots of weight from adult cattle. A high ticks infestation will take off 50 kg or more from an animal on 10 days. Cattle loose blood, starve. Not good creatures. We need to...

Thank you dns for the comments. What your experience with fat cows, donors and receptors? Also thick control, any experience with what better chemical product (amitraz, fluazuron...etc)? Thank you.

Thank you Dr.Elsden. I'm new on the ET technology, already made 6 flushes on my donors, and some times we feel so "desarmed" with this process of ET. On my last flush, on march, I put 10 donors on flush (7 Shorthorns, 2 Herefords and 1 Galloway belted) got very few embryos and 5 cows produced...

Well, EPD's are a "one more tool" for me. Not let it so serious as many people. I like to look at birth weight bull against their BW EPD's. A +3 BW EPD from a 28 kg BW bull is better than a -1,2 BW EPD from a 51 kg BW bull. On this matter of "predictions", I only looks for animals right data...

Great shot! (thumbsup)

Will have Yesterday calves on late year. Some calves on ground by cross with Nelore on central Brasil, but none weight data. As they are crosses, think that data is unuseful for your ask.

Breeders musto try to do the better for your herd/profit and for the breed future. Mate or not mate carriers is a breeders matter, not an association matter. Association in general are interest to get money and ask taxes, also is hardy to see an association with consensus regarding one or...

To raise a genetic free breed/composite, only not mate the carriers! Where is the mistery? ................... More one composite? Why? So many composites, already 70% vanished on their 8 years old. Aberdeen Angus red coated are limited genetic bull diversity, black ones show a huge wide...

Really I try, honestly!! I try to understand as a country so called "modern" on cattle business as US have on mind that black coat will affect meat quality - to name one character only - same that mentioned animal is 4 generations full continental blood. Is hardy to me here in deep southern...

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I have semen of a son of 14th. DRC Randolph 16. Saw a photocopy 16th many years ago. If some one have a pic of Randolph 16th, please share it. Think that 14th is a typical new type shape from 80's.

I own some straws him. The last ones on South America. Hope to get info regarding him too.

He made a good job here in Brazil. Add styçe, character and meat on the tall meatless new type blood. Own semen of two sons.