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 8.57
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -7.30 -0.375 2.73
Prot (kg) -7.66 -0.441 3.38
Fertility Sub Index 9.85
Calving Interval (days) -4.78 -1.459 6.97
Survival (%) 2.57 1.117 2.87
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.40
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) -0.79 -0.432 0.34
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 27.20

* Based on an €80/tonne carbon price