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 1.47
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 3.40
Calving Interval (days) -1.94 -1.459 2.83
Survival (%) 0.51 1.117 0.57
Calving Sub Index 1.89
Gestation Length (days) -2.06 -0.919 1.89
Beef Sub Index -0.14
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price