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 5.29
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 3.66
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) 1.54 1.117 1.72
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index 0.02
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index 9.47

* Based on an €80/tonne carbon price