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 6.01
Milk (kg) -317.00 -0.014 4.44
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -2.86 -0.441 1.26
Fertility Sub Index 7.19
Calving Interval (days) -4.98 -1.459 7.27
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 2.02
Gestation Length (days) -2.20 -0.919 2.02
Beef Sub Index 0.01
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 15.54

* Based on an €80/tonne carbon price