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 2.58
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 1.34 -0.375 -0.50
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 6.34
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 1.80 1.117 2.01
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.06
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 18.63

* Based on an €80/tonne carbon price