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 2.65
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index 1.76
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) -0.27 1.117 -0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.49
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 6.20

* Based on an €80/tonne carbon price