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 32.70
Milk (kg) -686.00 -0.014 9.60
Fat (kg) -28.28 -0.375 10.59
Prot (kg) -28.32 -0.441 12.50
Fertility Sub Index 0.48
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.00 1.117 0.00
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.07
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 34.08

* Based on an €80/tonne carbon price