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 8.95
Milk (kg) -209.00 -0.014 2.93
Fat (kg) -9.80 -0.375 3.67
Prot (kg) -5.33 -0.441 2.35
Fertility Sub Index 9.06
Calving Interval (days) -4.85 -1.459 7.08
Survival (%) 1.78 1.117 1.99
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.46 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 28.58

* Based on an €80/tonne carbon price