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 5.90
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index -1.67
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) -0.71 1.117 -0.79
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.43
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.41

* Based on an €80/tonne carbon price