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 2.15
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -0.35 -0.375 0.13
Prot (kg) -1.00 -0.441 0.44
Fertility Sub Index 8.66
Calving Interval (days) -4.48 -1.459 6.54
Survival (%) 1.90 1.117 2.12
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.61
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price