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 1.60
Milk (kg) -174.00 -0.014 2.44
Fat (kg) 3.61 -0.375 -1.35
Prot (kg) -1.18 -0.441 0.52
Fertility Sub Index 6.84
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 1.94 1.117 2.17
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.99
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.69 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price