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 6.19
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -4.96 -0.441 2.19
Fertility Sub Index 4.27
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) -1.36 1.117 -1.52
Calving Sub Index -3.01
Gestation Length (days) 3.27 -0.919 -3.01
Beef Sub Index 0.87
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -0.67 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price