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 6.89
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -7.92 -0.441 3.50
Fertility Sub Index 3.17
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 1.09 1.117 1.22
Calving Sub Index -0.90
Gestation Length (days) 0.98 -0.919 -0.90
Beef Sub Index -3.51
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 4.23 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 7.12

* Based on an €80/tonne carbon price