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 7.64
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 6.82
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -0.24
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 17.34

* Based on an €80/tonne carbon price