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 9.75
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -9.28 -0.375 3.48
Prot (kg) -8.44 -0.441 3.73
Fertility Sub Index 6.61
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 0.08 1.117 0.09
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 1.83
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.56 -0.432 0.67
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 18.31

* Based on an €80/tonne carbon price