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 2.37
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -0.23 -0.375 0.09
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 5.02
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.41 1.117 1.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 9.15

* Based on an €80/tonne carbon price