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 5.14
Milk (kg) -258.00 -0.014 3.61
Fat (kg) 2.50 -0.375 -0.94
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index 6.55
Calving Interval (days) -4.51 -1.459 6.58
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index 3.48
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) -0.98 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 20.26

* Based on an €80/tonne carbon price