My :2cents: when you look at breed averages for the Angus breed
http://www.angus.org/Nce/BreedAverageEPDs.aspx
The breed average for birth is very low. The problem with this is you continue to stack low birth weigh year after year your going to end up with a problem. To try to explain consider the following:
Heifer bred in 2016 to a low BW Angus bull, she has a heifer calf 2016-A
in 2017 you breed 2016-A to a low BW Angus bull, she has a heifer calf 2017-A
in 2018 you breed 2017-A to a low BW Angus bull she has a 30 pound dink and you ask yourself why......read line one and two of the example. Low BW typically equates to smaller shorter gestation calves stack it over several years and you have an issue. A first calf heifer should be able to have a 75 to 80 pound calf, we breed in hopes of a 65 to 70 pound calf. I am not afraid to use a bull with a positive BW EPD of 2.5 and have used up to a 3.0 BW EPD but knew both the sire and dam of the bull. If we don't get a handle on this it is going to
bite the breed in the butt.
Just one old grey haired ladies opinion.
gizmom