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 12.35
Milk (kg) -351.00 -0.014 4.91
Fat (kg) -8.60 -0.375 3.22
Prot (kg) -9.56 -0.441 4.22
Fertility Sub Index 5.30
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.19 1.117 1.33
Calving Sub Index -1.27
Gestation Length (days) 1.38 -0.919 -1.27
Beef Sub Index 1.66
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -3.00 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 20.47

* Based on an €80/tonne carbon price