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 14.64
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -11.64 -0.375 4.36
Prot (kg) -13.36 -0.441 5.90
Fertility Sub Index 9.72
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 3.50 1.117 3.91
Calving Sub Index -3.74
Gestation Length (days) 4.07 -0.919 -3.74
Beef Sub Index 1.33
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -2.48 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 23.24

* Based on an €80/tonne carbon price