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 9.36
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -5.94 -0.375 2.22
Prot (kg) -10.37 -0.441 4.58
Fertility Sub Index 7.42
Calving Interval (days) -4.69 -1.459 6.84
Survival (%) 0.52 1.117 0.58
Calving Sub Index -1.02
Gestation Length (days) 1.11 -0.919 -1.02
Beef Sub Index 1.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 19.69

* Based on an €80/tonne carbon price