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 9.88
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -4.91 -0.375 1.84
Prot (kg) -13.37 -0.441 5.90
Fertility Sub Index 3.48
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.19
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 14.28

* Based on an €80/tonne carbon price