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 1.63
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -0.22 -0.375 0.08
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index 7.02
Calving Interval (days) -3.41 -1.459 4.98
Survival (%) 1.83 1.117 2.04
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.25
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.67 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 19.63

* Based on an €80/tonne carbon price