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 4.17
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -0.66 -0.375 0.25
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 7.34
Calving Interval (days) -3.78 -1.459 5.52
Survival (%) 1.63 1.117 1.82
Calving Sub Index 0.95
Gestation Length (days) -1.03 -0.919 0.95
Beef Sub Index 3.02
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 8.25
Live WT (kg) -26.90 -0.307 8.25
Total Carbon Sub Index 23.71

* Based on an €80/tonne carbon price