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 5.14
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.85 -0.375 1.82
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 4.73
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 1.75 1.117 1.96
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -2.87
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 4.82 -0.432 -2.08
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 8.85

* Based on an €80/tonne carbon price