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 5.82
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index 11.46
Calving Interval (days) -5.93 -1.459 8.65
Survival (%) 2.51 1.117 2.80
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index 2.42
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.44 -0.432 0.62
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 25.18

* Based on an €80/tonne carbon price