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 4.56
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.96 -0.375 1.48
Prot (kg) -5.77 -0.441 2.55
Fertility Sub Index 3.66
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.70 1.117 0.78
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.17
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.68 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 8.59

* Based on an €80/tonne carbon price