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 8.51
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -10.65 -0.375 3.99
Prot (kg) -10.44 -0.441 4.61
Fertility Sub Index 2.91
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index -1.46
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index 8.07

* Based on an €80/tonne carbon price