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 4.90
Milk (kg) -292.00 -0.014 4.09
Fat (kg) 2.92 -0.375 -1.09
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 2.20
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 0.23
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index -0.98
Live WT (kg) 3.20 -0.307 -0.98
Total Carbon Sub Index 6.61

* Based on an €80/tonne carbon price