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 2.75
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.70 -0.375 0.64
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 0.09
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 1.44 1.117 1.61
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index -1.47
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 6.96 -0.432 -3.00
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 5.91

* Based on an €80/tonne carbon price