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 13.88
Milk (kg) -446.00 -0.014 6.24
Fat (kg) -8.38 -0.375 3.14
Prot (kg) -10.20 -0.441 4.50
Fertility Sub Index 2.67
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 2.39
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 0.93 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 23.45

* Based on an €80/tonne carbon price