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 9.57
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -8.47 -0.375 3.17
Prot (kg) -7.03 -0.441 3.10
Fertility Sub Index 2.23
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.48 1.117 0.54
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index -1.71
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 5.67 -0.432 -2.45
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 9.80

* Based on an €80/tonne carbon price