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 0.10
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 0.54 -0.375 -0.20
Prot (kg) -0.06 -0.441 0.03
Fertility Sub Index 6.15
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.59 1.117 1.78
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.83
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.13 -0.432 1.35
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 18.52

* Based on an €80/tonne carbon price