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 4.47
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -6.48 -0.375 2.43
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 1.48
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 0.04
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 8.10

* Based on an €80/tonne carbon price