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American Hereford Association Genetic Evaluation Updates 12-4-2017

This review outlines revisions in the AHA genetic evaluation released December 4, 2017. Previous AHA evaluations utilized Molecular Breeding Values (MBVs) to predict the genomic contribution by correlating the genetic relationship between MBVs and traits of interest. The new evaluation more precisely evaluates the genomic differences between animals using an analytical approach called the Marker Effects Model. Like phenotypes, the marker effects of a genotype directly impact an animal’s Expected Progeny Difference (EPD). Like most breed associations, AHA has conducted a full multi-trait genetic evaluation with all traits correlated to one another, either through a favorable or unfavorable relationship. With the new evaluation, traits have been grouped into subsets optimal for inclusion allowing more frequent and efficient evaluations and better estimating traits of interest rather than building these traits through correlation.

The main Growth model stayed the same, but because the new analysis uses the single step Marker Effects Model, some animals’ EPDs changed as a primary result of increased accuracy and reduced bias. Scrotal circumference is correlated with weaning weight, but only Scrotal Circumference EPDs are reported. There is a decrease of correlated data impacting Scrotal EPDs, and even though this impact is small, the new handling of the genomic component caused changes to some animals’ Scrotal Circumference EPDs.

Birth weight is used as the correlated trait with carcass traits to account for selection. Weaning and yearling weight are no longer included as correlated traits with carcass fat and carcass marbling. Instead scan fat and intra-muscular fat along with birth and carcass weight are used to resolve traits of interest when real carcass data has not been collected. This creates some changes in Carcass Fat and Marbling score EPDs, the two traits reported from this model. The variance components for this analysis were re-estimated for all carcass traits and the correlation between scan intramuscular fat and carcass marbling score decreased from 0.70 to 0.54 which combined with the new handling of the genomic component, causes changes to some animals’ EPDs. Weaning weight is used as a correlated trait, however, yearling weight will no longer be included as a correlated trait with carcass weight and carcass rib-eye area to account for selection. Instead scan rib-eye area and weaning weight are included with available carcass data to calculate the traits of interest. Carcass rib-eye area and carcass weight are the only two traits reported from this model. Correlations comparing the previous carcass trait EPDs to the new ones are very high, but can be different for some animals because of the new handling of the genomic component.

The updated AHA genetic evaluation uses a random regression statistical procedure to calculate calving ease and maternal calving ease. Birth weight is used as the correlated trait in this model but is not reported from this model as it is reported from the Growth analysis. This updated evaluation moves away from the previous threshold model for calving ease, in part because the old model required that observations that are the same within a contemporary group or herd could not be used. This means that the new analysis uses all observations regardless of score as well as using the corresponding birth weight phenotype. Even though this evaluation uses only data from two-year-old heifers, more observations result in a more comprehensive calving ease evaluation than in the past. Again, the new handling of the genomic component changes some animals’ EPDs.

Mature cow weight is analyzed with weaning weight, but only mature cow weight will be reported out of this model. The Weaning Weight EPD comes from the Growth analysis. Even though the new MCW EPDs are highly correlated to the old, changes occur because yearling weight is no longer used as a correlated trait and the new handling of the genomic component. The udder and teat evaluation remains the same model as it has been with the exception that it now includes the genomic information to increase the accuracy of prediction.

Sustained Cow Fertility is analyzed by itself, without a correlated trait, using random regression statistical model to predict female fertility and longevity. SCF EPD trait predicts a female’s ability to stay in the herd through the age of twelve for ten calving after calving as a two-year-old heifer. The EPD is reported on a probability scale meaning that a higher EPD for a sire means his daughters are more likely to remain fertile and produce more calves in their lifetime. Dry Matter Intake includes weaning and yearling weight as correlated traits, but dry matter intake is the only trait reported from this model. The DMI EPD predicts the daily consumption of feed. Because of the limited number of phenotypes collected for these traits that have a corresponding genotype, the genomic component is not included in either of these models.

In the updated AHA evaluation, phenotypes are used only from progeny born after 2001, the start of Whole Herd Total Performance Reporting (TPR) and the pedigree data includes at least three generations of pedigree from the observations through great-grandparents. This data window reduces the biases from possible incomplete reporting of data prior to Whole Herd TPR which is based on a cow inventory system since previous data points were collected only when a breeder chose to register a calf. Sires or dams that had progeny born on both sides of Whole Herd TPR may have seen EPD and accuracy values change.

The computing power of BOLT more precisely calculates accuracy, the hardest piece of a genetic evaluation to correctly compute. In the past, an approximation technique was used to calculate accuracy by all breed organizations. Improved computing known as sampling allows the direct calculation of key variables used in calculating accuracy rather than from approximating these variables. Previous approximations overestimated the accuracy of EPDs, especially for young animals, and accuracy changes occur because this direct method does not contain the bias from the approximations.

Both Dry Matter Intake (DMI) and Sustained Cow Fertility (SCF) are now to be included in the AHA economic indexes along with other key Economically Relevant Traits (ERT’s) Carcass Weight (CW) and Mature Cow Weight (MCW). Adding these ERT’s into the economic indexes provides a more robust and comprehensive selection tool for commercial producers to select Hereford bulls to be used on Angus based cows. DMI and CW are included in all three AHA economic indexes to help predict the cost associated with feed inputs and to measure the end-product pounds that are critical for profit. SCF replaces scrotal circumference as the predictor of fertility and is a large contributor to both maternal indexes. Because of the inclusion of these key ERT’s, some animal index values have changed.

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Bulls in Stud week of November 13, 2017

Be sure to stop by ORIgen to see what is currently in stud. We have some great sires being housed and collected at ORIgen with many different breeds being represented. Click on the link below to view the list of sires currently housed at ORIgen in Huntley, MT. Also we are excited to announce we have a tour website. When you stop in at Origen be sure to visit www.origenbulltour.com to view each bull along with their pedigrees and other information.

ORIgen is an easy 20 minute drive from the Billings, Montana airport. If you are in the area we encourage you to stop in and see the bulls 8-5 Monday-Friday, or to schedule a personalized tour by appointment after hours or on the weekends call the office at 406-348-2345.

Bulls in Stud week of 11-13-2017

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EPD Update and 50K Data week of November 3, 2017

Below you will find sorts of the AAA database of active sires and non parent bulls for several measures are attached for your information.
Remember, current HD50K data for all tested sires is the last tab of this spreadsheet.

CLICK to view 11-3-17 ORIgen sireses

Bulls that rank in the top 10% for a trait are highlighted in green color and those in the top 1% are highlighted in gold color. The most current results for the Developmental Duplication are included in this spreadsheet. Semen from the ORIgen trait leaders can be ordered online. Make your order today!
INCLUDED IN THE WEEKLY SORTS….
A weekly summary of the ORIgen sires progeny average ratios that are used in the calculation of the weekly EPD updates.

11-3-17 ORIgen sire progeny averages

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ORIgen Recognized as the Number 1 Source of Angus A.I.

The Top 25 Sires of progeny registered “Sire Information Report” generated by the American Angus Association at the conclusion of each fiscal year has long been the metric used to quantify the impact of A.I. marketing organizations within the Angus breed.

For the American Angus Association’s 2017 fiscal year that ended September 30, 2017, ORIgen is the source of semen for seven of the top 25 sires of progeny registered with 18,787 progeny of those ORIgen sires registered that represent 29% of all progeny produced by those top 25 sires – more than any of the other four A.I. marketing organizations with sires included in the report!

5,837

1

R B Tour Of Duty 177

16984170

3,520 6 Basin Payweight 1682 17038724
3,316 7 WR Journey-1X74 16924332
2,185 14 V A R Generation 2100 17171587
1,415 19 Hoover Dam 16124994
1,375 21 Connealy Consensus 7229 16447771
1,139 25 EXAR Stud 4658B 17908266

With seven sires among the top 25 and three among the top 10 which is also more than any other A.I. marketing entity, R B Tour of Duty 177 was recognized in the official report as the first Number 1 sire of progeny registered in the history of ORIgen.  The top 25 sires represent nearly 20% of the total registrations of the American Angus Association for fiscal year 2017 and ORIgen’s seven sires among the top 25 represent 6% of all registrations.

ORIgen’s “Breeder to Breeder Genetic Services” concept continues to gain popularity in the seedstock industry with the ORIgen marketing system guaranteeing a minimum return of 50% of the semen sales revenue to the owners of the bulls who have made the investment of financial and intellectual resources in creating and offering Angus genetics for the advancement of the beef industry while allowing those bull owners to direct market their semen products without limitations or restrictions.

ORIgen is pleased and proud to congratulate both its customers and its bull owners on this most recent validation that Angus breeders really do want to do business with other Angus breeders that share their needs, desires and commitment to keep the Angus breed at the forefront of the industry!

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3F Epic Does it Again!

Sons of the ORIgen young sire 3F Epic continued their top-selling tradition at Express Ranches, with his first fall yearling sons in the 2017 Express Fall Bull Sale headlined by the $50,000 EXAR Gallant that was selected by Bonchasse Land & Cattle Co. from Shreveport, Louisiana as the second high-selling bull.

The 17 Epic sons in the Express Fall Bull Sale commanded an average of $11,647 and 23 Epic sons from his first spring-born progeny sold for an average of $14,804 in the March 2017 Express Bull sale that was topped by the $80,000 ORIgen young sire EXAR Monumental that sold to Basin Angus Ranch in Montana and Turner Meadow Ranch in Texas.

To date, 45 Epic sons from his first fall and spring calf crops at Express have sold at auction for an average price of $12,401 and true to his name, Epic has set a new added-value standard for both ORIgen and its founding member Express Ranches that has become America’s largest seedstock operation.

For more information on the sire that continues to exceed all expectations of an up and coming herd sire click HERE.

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EPD Updates and 50K Data week of August 25, 2017

Below you will find sorts of the AAA database of active sires and non parent bulls for several measures are attached for your information.

Remember, current HD50K data for all tested sires is the last tab of this spreadsheet

CLICK HERE for the 8-25-2017 ORIgen sires

Bulls that rank in the top 10% for a trait are highlighted in green color and those in the top 1% are highlighted in gold color. The most current results for the Developmental Duplication are included in this spreadsheet. Semen from the ORIgen trait leaders can be ordered online. Make your order today!

INCLUDED IN THE WEEKLY SORTS….
A weekly summary of the ORIgen sires progeny average ratios that are used in the calculation of the weekly EPD updates.

8-25-17 ORIgen sire progeny averages

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Origen Top Ten Sires 8-4-2017

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Bulls in Stud week of August 7, 2017

Be sure to stop by ORIgen to see what is currently in stud. We have some great sires being housed and collected at ORIgen with many different breeds being represented. Click on the link below to view the list of sires currently housed at ORIgen in Huntley, MT. Also we are excited to announce we have a tour website. When you stop in at Origen be sure to visit www.origenbulltour.com to view each bull along with their pedigrees and other information.

ORIgen is an easy 20 minute drive from the Billings, Montana airport. If you are in the area we encourage you to stop in and see the bulls 8-5 Monday-Friday, or to schedule a personalized tour by appointment after hours or on the weekends call the office at 406-348-2345.

Bulls in Stud week of 8-7-2017

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ORIgen Winners After Genomic Recalibration With One-Step

SydGen Fate 2800 (reg. 17521423)

Exceptional genetic strength and balance makes Fate the solid choice for a multitude of important production traits with calving ease, performance, feed efficiency, scrotal, docility, maternal, genomics and carcass merit backed by harvest data and top 1% $Beef index. This bull has covered hundreds of cows naturally and offers an outcross pedigree with a “no holes” profile that can make a lasting contribution to your herd for virtually every measurable trait. He’s well beyond the 85% accuracy threshold that most bulls on new sire sorts can’t deliver. He was the $113,00 top selling bull ever from the SydGen program and he is making his mark in cowboy country where only the strong ones make it to the top in the real-world beef business.

 

3F Epic 4631 (reg. 17950219)

Epic is the elite spread bull in the breed delivering double digit CED, sub-zero BW and top 1% WW + YW growth, never seen before in the industry. He will leave an attractive, smooth front end, incredible length, depth and capacity covering any market demand. His data is eye-popping and his incredible phenotype will take your breath away. He combines calving ease with the EPIC performance as well as any bull you will find anywhere with top 1% values for $W + $F plus top 3% $B. Epic’s front end new genomic scores with CED 8, BW 14, WW 1 + YW 1 prove he is genetically built from the ground up and won’t disappoint you when additional data is added in the Angus breed. His progeny have already been in high demand with a new pedigree that fits virtually everywhere.

EXAR Monumental 6056 B (reg. 18379347)

With 17 traits or indexes in the top 15% of the breed, Monumental builds on the Epic legacy with even greater end product strength. No other bull in the breed can match his spread credentials with CED 11, BW -1.3, WW 75, YW +136 and top 1% values for $W, $F and $B. He does all this with CW +70 (1%), Mb. + 1.18 (3%) and RE +0.75 (15%). Let him be your Angus “handy man” and fix those genetic holes that need attention right now. Monumental was the $80,000 top selling bull in the 2017 Express Ranches Spring Sale and a key member of the Grand Champion Denver Carload of Bulls. He’s new genomic scores are even a bigger winner with: CED 11, BW 3, WW 13, YW 10, CW 7 and Mb. 5. Move forward into a new era where you can breed your next genetic winner!

Algoma Golden Hooter 527B

The bull that was the biggest winner at ORIgen after the one-step genetic recalibration goes to a sire with a very unconventional name – Algoma Golden Hooter 527B. This calving ease Sitz Wisdom 581T son has always drawn rave reviews at ORIgen for his tremendous phenotype, sweet front, tight sheath, explosive muscle mass and great feet. His genetic arithmetic always held him back until now. He jumped from a +42 WW EPD all the way to +56 where he can now be a big time “genetic player”. His Pathfinder 14-year old CA Future Direction X California Traveler dam was likely caught up in the genetic drift due to her age that contributed to the most improved bull honors to Golden Hooter. He held his sub-zero BW EPDs and now takes no back seat to any bull in the stud especially when type and kind are very important selection criteria.

 

SF Speedway A187 (reg. 17470682)

When you sort the American Angus Assn. database following the one-step inauguration with Speedway’s specs, he’s the only bull that comes up. He’s always been a length of body outlier at ORIgen with an outcross pedigree and has a top 1% $W + $B combination. Speedway is now a proven, reliable low PAP sire for high elevation useage and with 15 herds submitting data records BWR 100, WWR 103, YWR 103. 42 progeny scanned posts IMF 107, RE 102, Rib Fat 95 and Rump Fat 100. Study his new photo…this bull fits on paper + phenotypically even better. This Utah test station graduate is one of the new rising stars at ORIgen with strength and balance covering all the bases. His dam and maternal sister are modest mature sized cows with capacity, femininity, balanced carcass and superior mobility/feet structure.

 

SydGen Enhance (reg. 18170041)

Enhance is the king of $Beef at ORIgen with over a +200 index indicating his terminal strength. He reaches “rock star” status when you combine his total package: CED +11, -0.7 to 130 BW to YW spread, +1.66 scrotal and great carcass resume with CW +73, Mb. +1.22 and RE +0.72. No other bull in the breed offers those total package specs. He offers superior, fresh, “alternative” genetics to virtually any mainstream Angus pedigrees. Enhance stacks two generations of double digit CED, sub-zero BW EPDs with over +1.00 marbling strength. He was the $30,000 co-top selling bull in the 2015 SydGen Production Sale in Missouri and his new genomic top 1% scores for both docility and Carcass Weight are comforting to real world cowboys from birth to the kill sheet all the way to the platter.


ECO Lombardi 1512 (reg. 18267894)

This is the elite ORIgen data and genomic superstar that offers excellence all across the board for a multitude of traits. Lombardi has 12 EPDs / indexes in the top 5% of the breed and he’s backed by tremendous cow power. Expect this young sire to add frame size and explosive growth to his progeny. His new genomic profile is stellar with CED 7, BW 7, WW 1, YW 1, Sc 5, Doc 8, CW 11, Mb. 9. This cutting edge data along with CED +9, BW +0.6, WW +85 and YW +153 can fix those females that need a genetic corrector after the launching of the one-step new information. Lombardi’s carcass profile includes top 2% CW and over +1.00 Mb. EPD (top 5%). His top 1% values for $W, $F and $B add to his extreme genetic value.

 Angus Hill Steadfast 854B (reg. 18060260)

Another genomic standout at ORIgen that has cowboy data that’s unveiled in the Angus breed. No other bull can match his numbers that “rock the house” for calving ease, solid growth, scrotal, top 1% docility, marbling, muscle and dollar indexes. Steadfast can hold his own even without any data or information producing highly reliable progeny at farms and ranches all across the country. His robust ribcage, structure, capacity, guts and correct hip and hind leg will be an “easy sell” to customers that want to see the bull first. This is what makes the Angus breed so unique and exciting because Steadfast brings the things that built foundation all together with calving ease, marbling and maternal. Post one-step new genomic scores include: CED 2, BW 5, WW 19, YW 7, Sc2, Doc 1, Mb. 1, RE 13, Tend. 10. This is science and it works!

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EPD Updates and 50K Data week of July 7, 2017

Below  you will find sorts of the AAA database of active sires and non parent bulls for several measures are attached for your information.

Remember, current HD50K data for all tested sires is the last tab of this spreadsheet

7-7-17 ORIgen sires

Bulls that rank in the top 10% for a trait are highlighted in green color and those in the top 1% are highlighted in gold color. The most current results for the Developmental Duplication are included in this spreadsheet. Semen from the ORIgen trait leaders can be ordered online. Make your order today!

INCLUDED IN THE WEEKLY SORTS….
A weekly summary of the ORIgen sires progeny average ratios that are used in the calculation of the weekly EPD updates.

 

 

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