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 1.44
Milk (kg) -155.00 -0.014 2.17
Fat (kg) 3.38 -0.375 -1.27
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 4.96
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 1.54 1.117 1.72
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 1.58
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 11.61

* Based on an €80/tonne carbon price