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 4.22
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -5.18 -0.375 1.94
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 0.95
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.97
Gestation Length (days) 1.06 -0.919 -0.97
Beef Sub Index -2.56
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index -0.74
Live WT (kg) 2.40 -0.307 -0.74
Total Carbon Sub Index 0.91

* Based on an €80/tonne carbon price