Weight, height at withers and the weight/height ratio (an indicator of body condition) of respectively, 263, 232 and 232 cows and 171, 135 and 135 heifers were studied. Animals were of six red and white Holstein-Friesian (HF) x Guzerá (Guz) crosses: ¼, ½, 5/8, ¾, 7/8 and ³ 31/32 HF. Model [1] for cows included the fixed effects of reproductive status, days in milk, season when weighted, farm class, age and genetic group, two-factor interactions and the random effect of […]