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 9.77
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -10.54 -0.375 3.95
Prot (kg) -9.41 -0.441 4.15
Fertility Sub Index -0.29
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 10.84

* Based on an €80/tonne carbon price