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 3.09
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 7.71
Calving Interval (days) -4.03 -1.459 5.88
Survival (%) 1.64 1.117 1.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.19
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -2.51 -0.432 1.08
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 15.61

* Based on an €80/tonne carbon price