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 4.04
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -4.26 -0.375 1.60
Prot (kg) -3.89 -0.441 1.72
Fertility Sub Index 3.22
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 1.15
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 11.46

* Based on an €80/tonne carbon price