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 18.07
Milk (kg) -338.00 -0.014 4.73
Fat (kg) -14.13 -0.375 5.29
Prot (kg) -18.23 -0.441 8.05
Fertility Sub Index 5.56
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.06 1.117 1.18
Calving Sub Index -0.14
Gestation Length (days) 0.15 -0.919 -0.14
Beef Sub Index 0.18
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 25.14

* Based on an €80/tonne carbon price