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 -11.33
Milk (kg) 343.00 -0.014 -4.80
Fat (kg) 6.73 -0.375 -2.52
Prot (kg) 9.08 -0.441 -4.01
Fertility Sub Index -5.25
Calving Interval (days) 3.11 -1.459 -4.54
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 0.02
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -13.94

* Based on an €80/tonne carbon price