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 3.47
Milk (kg) -266.00 -0.014 3.72
Fat (kg) 4.78 -0.375 -1.79
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 3.57
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 0.96 1.117 1.07
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 1.48
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -1.47 -0.432 0.63
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 12.22

* Based on an €80/tonne carbon price