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 10.01
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -8.92 -0.375 3.34
Prot (kg) -9.60 -0.441 4.24
Fertility Sub Index 7.88
Calving Interval (days) -5.50 -1.459 8.02
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index 1.18
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.30 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 21.76

* Based on an €80/tonne carbon price