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 0.62
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 3.46 -0.375 -1.30
Prot (kg) -2.02 -0.441 0.89
Fertility Sub Index 4.21
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.82 1.117 0.92
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.28
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 7.05

* Based on an €80/tonne carbon price