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 3.40
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index 0.40
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 0.47
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.14

* Based on an €80/tonne carbon price