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 0.97
Milk (kg) -83.00 -0.014 1.16
Fat (kg) 1.34 -0.375 -0.50
Prot (kg) -0.70 -0.441 0.31
Fertility Sub Index 1.43
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.91 1.117 1.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 4.45

* Based on an €80/tonne carbon price