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 8.78
Milk (kg) -291.00 -0.014 4.07
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index 6.44
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.15
Gestation Length (days) -0.16 -0.919 0.15
Beef Sub Index 6.15
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) -5.57 -0.432 2.40
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 26.12

* Based on an €80/tonne carbon price