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 17.02
Milk (kg) -381.00 -0.014 5.33
Fat (kg) -14.48 -0.375 5.42
Prot (kg) -14.20 -0.441 6.27
Fertility Sub Index 8.65
Calving Interval (days) -5.56 -1.459 8.11
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index 1.31
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 27.59

* Based on an €80/tonne carbon price