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 10.89
Milk (kg) -262.00 -0.014 3.67
Fat (kg) -9.34 -0.375 3.50
Prot (kg) -8.44 -0.441 3.73
Fertility Sub Index 4.98
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) -1.29 1.117 -1.44
Calving Sub Index -2.29
Gestation Length (days) 2.49 -0.919 -2.29
Beef Sub Index 3.75
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -3.30 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 20.73

* Based on an €80/tonne carbon price