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 9.56
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -13.58 -0.375 5.09
Prot (kg) -7.81 -0.441 3.45
Fertility Sub Index 7.17
Calving Interval (days) -4.37 -1.459 6.38
Survival (%) 0.71 1.117 0.79
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 0.93
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 21.06

* Based on an €80/tonne carbon price