Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 12.13
Milk (kg) -308.00 -0.014 4.31
Fat (kg) -11.98 -0.375 4.49
Prot (kg) -7.55 -0.441 3.33
Fertility Sub Index 3.27
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) -0.08 1.117 -0.09
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.89
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.56 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 19.38

* Based on an €80/tonne carbon price