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 3.07
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -0.89 -0.441 0.39
Fertility Sub Index 1.97
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) 1.80 1.117 2.01
Calving Sub Index 2.94
Gestation Length (days) -3.20 -0.919 2.94
Beef Sub Index 2.69
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.19 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.42

* Based on an €80/tonne carbon price