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 8.70
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -7.96 -0.375 2.98
Prot (kg) -9.34 -0.441 4.12
Fertility Sub Index 10.20
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) 3.68 1.117 4.11
Calving Sub Index -3.58
Gestation Length (days) 3.89 -0.919 -3.58
Beef Sub Index -0.59
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 14.45

* Based on an €80/tonne carbon price