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 13.37
Milk (kg) -425.00 -0.014 5.95
Fat (kg) -6.40 -0.375 2.40
Prot (kg) -11.37 -0.441 5.02
Fertility Sub Index 3.59
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 2.57
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 3.69 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 18.79

* Based on an €80/tonne carbon price