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 8.69
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -11.03 -0.375 4.13
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index 5.64
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 2.79
Gestation Length (days) -3.04 -0.919 2.79
Beef Sub Index -1.47
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -2.79
Live WT (kg) 9.10 -0.307 -2.79
Total Carbon Sub Index 12.86

* Based on an €80/tonne carbon price