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 8.41
Milk (kg) -425.00 -0.014 5.95
Fat (kg) 1.08 -0.375 -0.40
Prot (kg) -6.48 -0.441 2.86
Fertility Sub Index 4.38
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 1.70 1.117 1.90
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -1.40
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 8.61 -0.432 -3.72
Maintenance Sub Index Maint. Sub Index 7.73
Live WT (kg) -25.20 -0.307 7.73
Total Carbon Sub Index 19.76

* Based on an €80/tonne carbon price