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 2.49
Milk (kg) -97.00 -0.014 1.36
Fat (kg) 3.44 -0.375 -1.29
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 6.60
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 0.07
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 13.24

* Based on an €80/tonne carbon price