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 11.09
Milk (kg) -224.00 -0.014 3.14
Fat (kg) -8.09 -0.375 3.03
Prot (kg) -11.15 -0.441 4.92
Fertility Sub Index 2.61
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) -0.12 1.117 -0.13
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index -1.70
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index 9.59

* Based on an €80/tonne carbon price