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 3.63
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -2.91 -0.441 1.28
Fertility Sub Index 6.65
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 0.91 1.117 1.02
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index 1.29
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 15.96

* Based on an €80/tonne carbon price