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 7.16
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -8.59 -0.375 3.22
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 8.13
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 1.92 1.117 2.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.73
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 18.89

* Based on an €80/tonne carbon price