Best products Pregnant sheep Pregnant cow Pregnant pig Animals grow in stages . 1. PRENATAL GROWTH Stages of prenatal growth i. Blastocist stage During this stage, the dividing zygote will yield millions of cells which are enclosed within the zonapellucidal and this is called blastocist. Blastocist is a ball of many cells enclosed by a membrane called zonapellucidal. During this stage, the Blastocist feeds from the uterus by means of diffusion. In the Ewe for instance, one to three or four lambs are normally produced but up to ten eggs maybe fertilized during fertilization or during mating particularly when when females are super ovulated. The Blastocist stage following fertilization will last for about 10days in sheep and pigs and 11days in cattle . ii. Embryonic stage This is the second stage in prenatal growth. Cell differentiation into tissues and organs are beginning to show or manifest. These differentiating cells have a very high priority for nutrien
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