Concept Plus is the stable semen fertility measure for Dairyman globally since 2001?
Concept Plus has improved accuracy over SCR. That data is included from large progressive dairies in 3 countries? And accounts for more factors that affect accuracy like technician and breeding code effects?
Concept Plus served as the basis for the new SCR evaluations?
Concept Plus sires deliver between 2% and 5% higher conception rates than average sires?
Stable and accurate
Concept Plus was first introduced in 2001 because Alta recognised the need for Dairyman globally that getting cows pregnant was a key to farm profit. As a result, Concept Plus has been the constant source for high semen fertility sires for the last 16 years.
Concept Plus only uses current data from their Advantage Partner herds located in the US, Canada and Germany. These large progressive dairies provide large contemporary groups for greater accuracy and have always only used palpated pregnancy checks to confirm conception.
The extra mile…..
Breeding code and technician effect are also considered in Concept Plus , both these factors alone can account for high levels of variation for sires with limited observations and not accounting for these effects on conception would only reduce overall accuracy. This simple change in addressing fertility data can be the difference in optimising pregnancies and is how Concept Plus goes the extra mile in providing the most accurate and complete ranking.
Concept Plus , the model for SCR
Such is the accuracy of the Concept Plus program, that US officials adopted this model from their previous NRR model. However, the SCR dataset includes:
- information from small contemporary groups
SCR uses all information collected via Dairy Software programs, regardless of the herd size so can include low contemporary comparison groups which lowers accuracy.
- is not exclusive from only herds with high parentage verification
Concept Plus uses information from Advantage partner herds only. These herds have increased accuracy through parentage verification and high level record keeping, providing a very accurate dataset for calculation
- does not take into account the Breeding Code and Technician effects within those herds.
There can be vast differences in performance between technicians, Concept Plus removes this bias by including known technician rates when calculating conception rates. There can also be large differences between breeding codes, by differentiating between them you provide a more accurate semen fertility rating
So what does this all mean?
It means that Concept Plus is the most accurate and reliable semen fertility rating system in the industry and allows us to guarantee high semen fertility sires by removing any poor Concept Plus rated bulls from our team. In fact, the SCR rating confirms this with Alta sires showing the smallest variation for semen fertility from all the major studs. Moreover, Alta also has the highest overall average amongst this group on SCR.
You can use Concept Plus sires with confidence knowing that they will deliver between 2 and 5% higher than the average conception on your farm. Click on the link at the bottom for a complete list of Concept Plus sires
For more information on how Concept Plus sires from Alta can help get more cows pregnant in your herd, contact your local Alta representative below.
Regional Genetic consultants:
Tony Simpson – Northern Vic/NSW and WA
Peter Clifford – Western Victoria/SA
Jake Harkness – Western Victoria/SA
Callum Moscript – Tasmania/Gippsland
Brett Hazelman – North West Victoria
Julian Pick – National