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 3.84
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.91 -0.375 1.09
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 0.85
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) -0.28 1.117 -0.31
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.56
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 7.16

* Based on an €80/tonne carbon price