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 -5.70
Milk (kg) 116.00 -0.014 -1.62
Fat (kg) 6.16 -0.375 -2.31
Prot (kg) 4.00 -0.441 -1.77
Fertility Sub Index -3.98
Calving Interval (days) 1.73 -1.459 -2.52
Survival (%) -1.30 1.117 -1.45
Calving Sub Index 2.09
Gestation Length (days) -2.27 -0.919 2.09
Beef Sub Index 0.22
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index -5.68

* Based on an €80/tonne carbon price