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 25.09
Milk (kg) -613.00 -0.014 8.58
Fat (kg) -22.11 -0.375 8.28
Prot (kg) -18.65 -0.441 8.23
Fertility Sub Index 5.91
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 0.85 1.117 0.95
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -2.18
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 30.91

* Based on an €80/tonne carbon price