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 22.33
Milk (kg) -442.00 -0.014 6.19
Fat (kg) -26.14 -0.375 9.79
Prot (kg) -14.38 -0.441 6.35
Fertility Sub Index 5.71
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 1.05 1.117 1.17
Calving Sub Index -1.42
Gestation Length (days) 1.54 -0.919 -1.42
Beef Sub Index -2.77
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 27.47

* Based on an €80/tonne carbon price