At1-9(2) 〈2K〉

I can also look for more information if this isn't the "AT1-9(2)" you meant. sja_v_18_i_1_2020.pdf - SAARC Agriculture Centre

Variables that are highly correlated with weight in 1.9–2-year-old sheep include: Heart Girth (HG) Width of Hip (WH) Radius (RD) Rhomboid Height (RH) Body Length (BL) Applications AT1-9(2)

If you can tell me the context of where you found this, I can tell you if it's about: I can also look for more information if

The data derived from this specific age group (AT1-9(2)) allows farmers and researchers to estimate body weight based on physical measurements (like heart girth or body length). This is essential for: Determining optimal slaughter age. Monitoring nutritional health. Improving breeding selection for higher productivity. Monitoring nutritional health

In studies of sheep, the 1.9–2 years age group is crucial for analyzing correlations between physical measurements and weight. Key insights include: