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 4.08
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -5.98 -0.375 2.24
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 1.11
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) -0.91 1.117 -1.02
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.35
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 7.49

* Based on an €80/tonne carbon price