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 -1.33
Milk (kg) 69.00 -0.014 -0.97
Fat (kg) 1.46 -0.375 -0.55
Prot (kg) -0.41 -0.441 0.18
Fertility Sub Index -9.79
Calving Interval (days) 5.48 -1.459 -8.00
Survival (%) -1.61 1.117 -1.80
Calving Sub Index 2.17
Gestation Length (days) -2.36 -0.919 2.17
Beef Sub Index 0.25
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 4.06 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index -6.59

* Based on an €80/tonne carbon price