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 3.95
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 2.35
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.16
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 7.37

* Based on an €80/tonne carbon price