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 10.72
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -9.15 -0.375 3.43
Prot (kg) -9.48 -0.441 4.18
Fertility Sub Index 4.64
Calving Interval (days) -2.78 -1.459 4.06
Survival (%) 0.52 1.117 0.58
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index 2.67
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 23.15

* Based on an €80/tonne carbon price