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 4.06
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -4.66 -0.375 1.75
Prot (kg) -3.50 -0.441 1.54
Fertility Sub Index 9.96
Calving Interval (days) -5.32 -1.459 7.76
Survival (%) 1.97 1.117 2.20
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 3.58
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) -3.28 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 19.12

* Based on an €80/tonne carbon price