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 -2.51
Milk (kg) 134.00 -0.014 -1.88
Fat (kg) 0.78 -0.375 -0.29
Prot (kg) 0.78 -0.441 -0.34
Fertility Sub Index -1.19
Calving Interval (days) 0.46 -1.459 -0.67
Survival (%) -0.46 1.117 -0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index -2.91

* Based on an €80/tonne carbon price