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 4.15
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 6.54
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 2.13 1.117 2.38
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.76
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 19.79

* Based on an €80/tonne carbon price