Farming and planting are completely different concepts.

　　The planting industry is easy to expand. As long as you leave enough seeds, one wheat plant can produce a lot of wheat kernels. If you select good wheat kernels for breeding, one wheat plant may be enough for the expansion of the shelter.

　　 But breeding is different. An old sow can survive two to three litters a year, and it is not bad if there are ten in a litter.

　　 Therefore, if the breeding industry wants to expand, it first needs an old sow that can give birth, and it has to be equipped with sufficient nutrition and scientific pregnancy methods, and then the delivery must be professional enough to ensure the speed of expansion.

　　 Fortunately, the growth rate of livestock at the shelter is quite fast. Like crops, it takes about a month. If you want to increase the amount of meat and speed up growth, you must use professional feed.

　　 This is actually quite troublesome.

Take pigs as an example. Professional pig feed is definitely not swill, or just throw away some miscellaneous things. Pig feed is also very professional, usually consisting of protein feed, energy feed, roughage, green feed, silage, It is composed of mineral feed and feed additives, and the production process is very complicated.

　　 The feed production was provided in the system. An Kai casually looked around and found that he lacked more materials.

　　 is protein feed, including two types of plant protein feed and animal protein feed. Plant-based protein feeds include legume seeds and their processing by-products, grain processing by-products, and oil cakes. Animal protein feed includes blood and bone meal, fish meal, silkworm pupae, etc. It is characterized by high protein content, which is 3 to 8 times that of grain feed. It is fed to pigs with energy feed in the diet. Proper use can make the male and female pigs normal. Reproduction, promote growth and fattening of piglets to gain weight.

　　 Among them, beans actually refer to beans such as soybeans, broad beans, and adzuki beans. Cakes are also called oil cakes, which are the by-products of oil extraction from the seeds of oil crops, including soybean cake, rapeseed cake, sesame cake and linseed cake. Slag

　　 is a by-product of brewing, flour milling and grain making, including vinegar lees, distiller’s lees, powder residue, tofu pond, sauce residue, etc.

　　 And this is just one of the feed components.

　　 Energy feed is mainly cereals, including corn, rice, barley, millet, sorghum, buckwheat, tares, etc. The main reason is that it has high starch content, which is the main part of supplementing energy. To put it bluntly, it is these energy feeds that give pigs meat. This is the key to raising pigs. Isn’t raising pigs for meat?

　　 Coarse feed includes various crops, vines, green hay, leaves, etc. It contains a lot of crude fiber and has a low digestibility. It can fill the pig’s stomach to fill the stomach and stimulate digestion.

　　Mineral feed is also very important, because pigs eat mainly plant feeds, but the amount and proportion of minerals contained in plant feeds are not compatible with the nutritional needs of pigs. Therefore, additional minerals must be added. Table salt, calcium, and phosphorus are commonly used mineral feeds, while trace elements are mostly used as mineral nutritional additives.

　　Pig feed additives have the functions of improving the nutrition of feed, improving the utilization rate of feed, promoting animal growth and preventing diseases, and reducing the loss of nutrients during feed storage. Like fertilizer, this thing needs to be made by a chemical station. It is super troublesome to make. In the final analysis, there is not enough material.

　　 Finally, organic acids are mainly added to piglet feed, which can reduce the PH value of feed and gastrointestinal tract, promote growth and development of piglets, improve feed utilization, control the reproduction of harmful microorganisms, and effectively prevent piglet diseases.

　　 Anyway, if you really say it, there are more pigs than farming men.

　　 Farming is a kind of fertilizer and pesticides, but because of the environment of the shelter, pesticides are not needed, and there are no pests or diseases. In the case of chemical fertilizers, farmyard manure is also fertilizer and can also be used to fertilize, and the effect is actually pretty good. So as long as sunshine and moisture are guaranteed, even without chemical fertilizers, crops can guarantee good growth and output.

　　 But raising pigs is different. This thing is really troublesome. If you don't get it right, you will get sick and you won't grow meat. Even with the help of the system, you need to prepare a variety of food and feed.

　　 Of course, if you don’t pursue speed and higher meat output, there is no need to use the so-called feed group at all. Usually, it’s enough to feed something.

　　 But if you want to expand, you have to get more meat, and you have to produce more calves. In fact, the feed group is indispensable.

　　 An Kai is also having a headache for this matter. He does not have a lot of materials. For example, beans, they didn't feel very useful before, so he never planted them. I have beans in my hand, and I can grow it now, but this has slowed my progress invisibly by half a month. And if it’s just beans, what about feed additives? What about organic acids? Mineral feed... Oh, this is a good solution.

　　 In short, these problems are not impossible to solve. Some of the missing materials can be replaced, and some, such as beans, can be planted now, but the process is more troublesome and difficult to manipulate.

　　Moreover, when raising pigs, you have to consider the balance between feed and meat output, which is the so-called feed-to-meat ratio.

　　 Normal piglets are weaned on 21 days and only 28 days later.

Then the piglets start to eat feed formally. During the weaning and nursery period of the piglets, the feed conversion rate is very high, and they can eat 1 catty of feed for 1 catty of meat. Then as the piglet's weight gradually increases, the feed to meat ratio also begins to increase. , The feed-to-meat ratio starts from 1.5:1, slowly 2:1, 2.5:1.

The slaughter weight of fattening pigs is generally around 220 kg to 250 kg. This is because if you continue to feed from 250 kg, the feed to meat ratio will become higher and higher, and it will reach 3 kg and 1 kg, or even 3.5 kg or 4 kg. A pound ~lightnovelpub.net~ can be said to be less cost-effective as you raise it later. But there is actually no real dead standard for this thing, and even the system will not provide a completely standard number, it can only be measured by Ankai themselves.

A pig, from birth to slaughter, due to the system, the growth time is compressed, from four to five months to one month, but the consumption of feed will not decrease, which means that a pig will consume at least five in a month. Six hundred kilograms of feed, although the feed is composed of multiple components, the feed of beans and grain is indispensable. This has brought tremendous pressure to the planting house. At the very least, Ankai and the others need to make the planting house bigger and stronger before they can have enough food to raise pigs and sheep.

　　 So in any case, the development of the breeding house must be a step slower than that of the planting house.

　　 For Herto’s little material, An Kai sometimes wonders whether it’s worth it to spend so much effort.

　　 But thinking of the development of the shelter, thinking of his own big subway and sub-base plan, he can only grit his teeth and expand the planting house and breeding house again and again to meet the needs of Herto.

Fortunately, the first crop of grain has been produced. The next step is to continue to expand the scale of planting and add beans and other crops. Then, the scale of the breeding house will also be expanded. This also means that everyone at least half a month or even It is impossible to slaughter pigs and sheep in a month's time. They must keep enough livestock to ensure that they continue to expand.

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