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 9.09
Milk (kg) -278.00 -0.014 3.89
Fat (kg) -6.25 -0.375 2.34
Prot (kg) -6.48 -0.441 2.86
Fertility Sub Index 1.46
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.14
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 11.66

* Based on an €80/tonne carbon price