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 6.91
Milk (kg) -213.00 -0.014 2.98
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -5.27 -0.441 2.33
Fertility Sub Index 2.42
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index -2.26
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) -1.49 -0.432 0.64
Maintenance Sub Index Maint. Sub Index -3.86
Live WT (kg) 12.60 -0.307 -3.86
Total Carbon Sub Index 2.98

* Based on an €80/tonne carbon price