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 6.39
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index 3.77
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index -3.62
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) 5.69 -0.432 -2.46
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 8.73

* Based on an €80/tonne carbon price