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 -2.20
Milk (kg) 39.00 -0.014 -0.55
Fat (kg) 5.87 -0.375 -2.20
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index -2.75
Calving Interval (days) 1.63 -1.459 -2.38
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 0.47
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -3.57

* Based on an €80/tonne carbon price