Growth, Efficiency and Yield of Commercial Broilers from 1957, 1978 and 2005

小马哥

M. J. Zuidhof

Figure 1.  Age-related changes in size (mixed-sex BW and front viewphotos) of University of Alberta Meat Control strains unselected since 1957 and 1978, and Ross 308 broilers (2005). Within eachstrain, images are of the same bird at 0, 28, and 56 d of age. Color versionavailable in the online PDF.

Figure 3. Age-relatedchanges in size of University of Alberta Meat Control strains unselected since1957 and 1978, and Ross 308 broilers(2005).Within each strain, side profile images are of the same bird at 0, 28, and 56 dof age. Color version available in the online PDF.

小马哥

鸡肉产品的消费，需要对消费者宣传到位，肉鸡体重的变化有多震憾，不是一个速生和使用抗生素等解决的。

牧童

肉鸡是人类创造的世界上的第九大奇迹。

山中的漫游者

遗传的改进，动物的潜能，让我们很吃惊。