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 3.61
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index -7.06
Calving Interval (days) 3.03 -1.459 -4.42
Survival (%) -2.36 1.117 -2.64
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 4.35
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) -0.43 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 3.78

* Based on an €80/tonne carbon price