The concept of "teaching material" was first introduced by people from Taiwan and Hong Kong. These methods were developed earlier than what we currently use. When they came to teach us how to raise pigs, we referred to this stage as "teaching material." However, the term is actually quite vague—what exactly is a teaching material? It's essentially a transitional feed given to piglets before they are fully weaned. After the initial milk phase, the piglets start learning to eat from a trough. This period is known as the pre-conservation stage, typically lasting between four to six weeks, and then moving on to the six to eight weeks old phase. This division is based on the developmental stages of the piglets.
In many farms, I haven’t seen any actual feeding taking place during this time. Once the piglets stop nursing, this feed is called the "trough," and it’s usually introduced around six weeks of age. The main goal of this teaching material is to help piglets gradually transition from liquid to solid food, build up their intestinal adaptability, and prepare them for weaning.
Currently, the teaching materials available in the market don't fully meet the nutritional needs of piglets during weaning. As a result, some piglets may have difficulty eating, or become sick more easily. In China, the current market for piglet feed often includes over 20% high-quality whey powder, which is very costly. Chinese farmers can't afford such expensive feed, and even when they do, adding 20% skimmed milk powder makes it even less economical. High-cost teaching materials often lead to waste rather than effective results.
So, what is the best teaching material? This is a key area of research being developed by Billy American and represents the future direction of piglet nutrition. The future of teaching materials lies in developing feeds that closely mimic the mother’s milk, offering better nutrition and easier digestion for the piglets. By aligning with the natural dietary needs of the piglets, these advanced teaching materials will improve growth rates, reduce health issues, and ensure a smoother weaning process.
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