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 1.63
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 0.66 -0.375 -0.25
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index -6.81
Calving Interval (days) 4.53 -1.459 -6.61
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 1.64
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 3.34

* Based on an €80/tonne carbon price