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 -5.76
Milk (kg) 17.00 -0.014 -0.24
Fat (kg) 9.64 -0.375 -3.61
Prot (kg) 4.33 -0.441 -1.91
Fertility Sub Index 5.77
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.81 1.117 2.02
Calving Sub Index 3.44
Gestation Length (days) -3.74 -0.919 3.44
Beef Sub Index -0.16
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 6.17

* Based on an €80/tonne carbon price