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 3.29
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 2.88
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.44
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 12.44

* Based on an €80/tonne carbon price