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

小馬哥

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.

小馬哥

雞肉產(chǎn)品的消費，需要對消費者宣傳到位，肉雞體重的變化有多震憾，不是一個速生和使用抗生素等解決的。

牧童

肉雞是人類創(chuàng)造的世界上的第九大奇跡。

山中的漫游者

遺傳的改進，動物的潛能，讓我們很吃驚。