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 8.52
Milk (kg) -274.00 -0.014 3.84
Fat (kg) -5.40 -0.375 2.02
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 2.23
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 3.20
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 23.50

* Based on an €80/tonne carbon price