15. Ming- Optimum Breeder Nutrition - Chinese执业兽医师考试.pdf

Optimum Breeder Nutrition 种鸡的最佳营养 Somchit Sooncharernying Ph D Poultry Nutritionist 家禽营养专家 孙秋明 Background 背景 Objectives 目标

Produce as many hatching eggs as possible 尽可能多地生产合格种蛋

Guarantee the maximum hatchability 确保最佳孵化率 Chicks survive and reach performance objectives 雏鸡活力以及达到生产性能标准

Results of Genetics 遗传选育的成果 Breast Meat Yield (% BW) 胸肉率（占体重比例）

%Breast 10.7c ±0.1 11.2b ±0.01 17.9a ±0.01 FCRb 28.2c ±0.1 17.0b ±0.01 9.4a ±0.01 (g:g) 1957 1977 2005

Yield p<0.0001 Breast FCR p<0.0001 Source: Renema et al, 2006

Meat Yield of Modern Lines 现代品系的出肉率 Degree of Bodyweight Restriction (Estimated Potential vs PS Target Weights) PS Optimal Body Weight Curve 父母代最佳体重曲线 4500 4000 3500 3000

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