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 7.06
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -6.31 -0.375 2.36
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 5.39
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 0.55 1.117 0.61
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -3.24
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 4.69 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 10.49

* Based on an €80/tonne carbon price