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 8.06
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -10.45 -0.375 3.91
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 5.48
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 0.65 1.117 0.73
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -2.39
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 12.51

* Based on an €80/tonne carbon price