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 4.49
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -6.77 -0.375 2.54
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 6.40
Calving Interval (days) -3.69 -1.459 5.38
Survival (%) 0.91 1.117 1.02
Calving Sub Index -1.13
Gestation Length (days) 1.23 -0.919 -1.13
Beef Sub Index 3.32
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) -1.59 -0.432 0.69
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 12.80

* Based on an €80/tonne carbon price