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 5.66
Milk (kg) -200.00 -0.014 2.80
Fat (kg) -1.78 -0.375 0.67
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 2.29
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) -0.43 1.117 -0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.76
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -0.53 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 10.63

* Based on an €80/tonne carbon price