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 0.53
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -0.54 -0.375 0.20
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index 6.24
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 1.38 1.117 1.54
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 8.82

* Based on an €80/tonne carbon price