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 16.04
Milk (kg) -388.00 -0.014 5.43
Fat (kg) -13.33 -0.375 4.99
Prot (kg) -12.73 -0.441 5.62
Fertility Sub Index 5.92
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.92 1.117 2.15
Calving Sub Index 1.88
Gestation Length (days) -2.05 -0.919 1.88
Beef Sub Index 0.04
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.46 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 30.17

* Based on an €80/tonne carbon price