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 6.46
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -9.12 -0.375 3.42
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 0.12
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index 1.21
Carcass Weight (kg) -2.95 -0.528 1.56
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.67
Live WT (kg) -5.45 -0.307 1.67
Total Carbon Sub Index 9.59

* Based on an €80/tonne carbon price