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 -7.18
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 11.62 -0.375 -4.35
Prot (kg) 6.38 -0.441 -2.82
Fertility Sub Index 6.17
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) 1.38 1.117 1.54
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.37
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 8.47

* Based on an €80/tonne carbon price