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 0.88
Milk (kg) 45.00 -0.014 -0.63
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -2.69 -0.441 1.19
Fertility Sub Index 2.47
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 1.56
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 7.50

* Based on an €80/tonne carbon price