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 5.12
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -1.92 -0.375 0.72
Prot (kg) -4.96 -0.441 2.19
Fertility Sub Index 1.15
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 1.36
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 8.48

* Based on an €80/tonne carbon price