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 4.72
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -3.91 -0.375 1.46
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index -2.54
Calving Interval (days) 1.10 -1.459 -1.60
Survival (%) -0.84 1.117 -0.94
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 0.30
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 4.06

* Based on an €80/tonne carbon price