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 8.39
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -7.17 -0.375 2.69
Prot (kg) -8.22 -0.441 3.63
Fertility Sub Index 5.06
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 1.25 1.117 1.40
Calving Sub Index 2.41
Gestation Length (days) -2.62 -0.919 2.41
Beef Sub Index 2.87
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 21.48

* Based on an €80/tonne carbon price