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 10.02
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -9.77 -0.375 3.66
Prot (kg) -8.71 -0.441 3.84
Fertility Sub Index 7.90
Calving Interval (days) -4.93 -1.459 7.19
Survival (%) 0.63 1.117 0.70
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index 3.17
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -2.58 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 21.26

* Based on an €80/tonne carbon price