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 7.67
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -4.41 -0.375 1.65
Prot (kg) -6.06 -0.441 2.67
Fertility Sub Index 4.06
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -2.14
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.39 -0.432 -3.62
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 17.33

* Based on an €80/tonne carbon price