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 -2.22
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) 2.79 -0.375 -1.05
Prot (kg) 2.25 -0.441 -0.99
Fertility Sub Index -7.62
Calving Interval (days) 3.76 -1.459 -5.49
Survival (%) -1.91 1.117 -2.13
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index -1.57
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index -9.59

* Based on an €80/tonne carbon price