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 30.06
Milk (kg) -676.00 -0.014 9.46
Fat (kg) -25.81 -0.375 9.67
Prot (kg) -24.76 -0.441 10.93
Fertility Sub Index 6.45
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.67 1.117 0.75
Calving Sub Index 1.49
Gestation Length (days) -1.62 -0.919 1.49
Beef Sub Index 1.57
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.49 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 43.44

* Based on an €80/tonne carbon price