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 21.04
Milk (kg) -341.00 -0.014 4.77
Fat (kg) -23.28 -0.375 8.72
Prot (kg) -17.09 -0.441 7.54
Fertility Sub Index 6.34
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 1.73 1.117 1.93
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.69
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 5.25 -0.432 -2.27
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 27.46

* Based on an €80/tonne carbon price