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 3.86
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -4.43 -0.375 1.66
Prot (kg) -5.01 -0.441 2.21
Fertility Sub Index -4.36
Calving Interval (days) 2.92 -1.459 -4.26
Survival (%) -0.09 1.117 -0.10
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 2.78
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index -0.55
Live WT (kg) 1.80 -0.307 -0.55
Total Carbon Sub Index 1.79

* Based on an €80/tonne carbon price