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 6.53
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 4.50
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 1.83 1.117 2.04
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -0.08
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 9.35 -0.432 -4.04
Maintenance Sub Index Maint. Sub Index 9.63
Live WT (kg) -31.40 -0.307 9.63
Total Carbon Sub Index 21.15

* Based on an €80/tonne carbon price