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 -14.56
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 22.89 -0.375 -8.57
Prot (kg) 15.88 -0.441 -7.01
Fertility Sub Index -8.35
Calving Interval (days) 4.38 -1.459 -6.39
Survival (%) -1.75 1.117 -1.96
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.29
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index -18.08

* Based on an €80/tonne carbon price