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 6.73
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index 6.75
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.80 1.117 2.01
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.61
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.26 -0.432 0.98
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 25.13

* Based on an €80/tonne carbon price