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 16.70
Milk (kg) -275.00 -0.014 3.85
Fat (kg) -17.02 -0.375 6.38
Prot (kg) -14.67 -0.441 6.47
Fertility Sub Index 0.55
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.13
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 18.58

* Based on an €80/tonne carbon price