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 4.85
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 3.31
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 0.34
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 8.88

* Based on an €80/tonne carbon price