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 1.15
Milk (kg) -387.00 -0.014 5.42
Fat (kg) 12.45 -0.375 -4.66
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 5.15
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 1.46 1.117 1.63
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.15
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 6.38 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 10.06
Live WT (kg) -32.80 -0.307 10.06
Total Carbon Sub Index 18.24

* Based on an €80/tonne carbon price