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 3.50
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -4.63 -0.375 1.73
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index 4.26
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) 1.20 1.117 1.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.35
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -4.35 -0.432 1.88
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 15.65

* Based on an €80/tonne carbon price