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 6.19
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 3.63
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index 0.71
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price