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 -1.51
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 1.82 -0.375 -0.68
Prot (kg) 2.07 -0.441 -0.91
Fertility Sub Index -5.34
Calving Interval (days) 3.08 -1.459 -4.49
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 1.41
Gestation Length (days) -1.53 -0.919 1.41
Beef Sub Index 0.57
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -4.08

* Based on an €80/tonne carbon price