"Will it degrade when it comes out of this breeding?"

"A little, but it's not a big problem. The existing black and white cows in China are basically the products of the breeding of several Dutch black and white cows and local cows in the 19th century. Milk production is decent and resistant to rough feeding. The disadvantage is that the milk fat content is low. Yang Guigui said with a smile, "It is often said that domestic milk has a bland taste and is not as rich as foreign milk, in addition to adulteration, this is also a factor." ”

"With a lot of cows, we can implement 'school milk' jihua, which greatly improves the physical fitness of the next generation! At the very least, it can also allow each traverser to have milk to drink every day. ”

"Actually, I think dairy products, such as cheese or something, are more promising." Yang Guigui said, "Chinese are not very tolerant to lactose, and dairy products are fine." And dairy products are easy to preserve - the conditions here are harsh, and I am afraid that it is not possible to preserve fresh milk. ”

Then he walked through the corrals of several cows, which were pregnant with cows and were of various breeds. The semen of several different breeds of bulls in the liquid nitrogen jar is now matched with native cows. Some are for pure meat, and some are for both uses.

The cowshed is followed by a sheepfold, and there are very few sheep in the pen, only a few dozen. These are all Changhua sheep that have only recently been shipped from Changhua Fort. It seems that they are not well adapted to captivity, and from time to time there are rams that try to hit the fence.

After a period of rearing, these sheep are selected to receive artificial insemination of higher quality ewes, and the Committee of Agriculture also has semen from several high-quality goats and sheep. However, whether the sheep is suitable for Lingao, Yang Guigui is really not sure - it is better to occupy the higher latitude area and breed again.

The shepherd dog next to him ran out and barked loudly to restore order to the flock.

"Bebe, stop screaming!" Yang Guigui shouted, and suddenly a group of dogs ran over and wagged their tails at him, some of them were puppies.

"Look, 'Huanhuan', 'Yingying', and 'Nini' are all heroic mothers. In just half a year, more than 20 puppies were born. Seeing Wu Nanhai grab a love hand, he couldn't put it down, "I'll give you one." ”

"Forget it, having a dog makes a bad impression on everyone." Although Wu Nanhai felt reluctant, he still let it go.

"Also, several girls asked me for a dog, but I didn't give it." "They have to be domesticated and then distributed to various departments." Ma Qianzhu also wants to build a military dog team or something, and the General Security Administration also wants it. ”

"It's much more reassuring to have a dog at the door to watch the door." Wu Nanhai thought about it, "Are there any local dogs?" I'll just grab a dirt dog and watch the door. ”

"Absolutely. I've caught a few of them to see if I can make a localized hybrid. This is a typical Chinese pastoral dog, the level of domestication is very low, I am afraid that it is more likely to be eaten as a meat dog. Cats are a little bit better. "Although cats and dogs do not produce benefits in themselves, they are of great help to agricultural production. When the flock grows a little bigger, I'll have to arrange for free-range, which will require the help of the dogs. ”

Yang Guigui proposed: In addition to raising poultry in Jihua, promoting sheep raising is also a good project. Sheep are resistant to rough feeding, simple to care for, do not require special feed, and occupy little labor. Women and children can herd sheep, which is the most common project in poverty alleviation.

Wu Nanhai shook his head: "The damage to the vegetation by sheep is too great. ”

"It was an arid and semi-arid region in northwest China, where there was abundant rain and abundant vegetation on the surface, which a few sheep could not destroy. In addition, a farmer can raise a dozen sheep at most, and the carrying capacity of the land is very small. ”

Wu Nanhai was moved and said, "Let's wait for the success of the promotion of this batch of chickens." It has to be a responsible farmer to give it to him - it's okay to eat 10 chickens, but it's hard to eat a few of our sheep. If he is held accountable, he will go bankrupt, and if he is not investigated, this activity will not be able to continue in the future. ”

The zuihou part of the livestock farm is a rabbit. The rabbits were very unhappy with living here at first - it was too hot. At that time, the rabbit building had the best cooling conditions in the whole farm - directly under the big tree, but the rabbits were still listless and refused to breed, which made Yang Guigui scratch his head - do you want to get them an air conditioner or something? In the late autumn of Lingao, they finally sprout spring. The reproduction rate of rabbits is strong, and they can be mated at any time, and the gestation period is only one month, and a mature rabbit can give birth to 6~10 rabbits. In the 20th century, Australia's rabbits were infested with rabbits, and the government and farmers killed them endlessly, but they were just the descendants of five pairs of European rabbits that had been bred over a period of 100 years.

Rabbits are herbivorous animals with low feed requirements, making them suitable for quick meat providers.

Now, there are more than 30 rabbits in the expanded rabbit building, 10 of which are long-haired rabbits - Wu Nanhai recognized them at a glance, and these rabbits were shaved in order to keep the long-haired rabbits safe for the summer.

"Rabbits don't breed in the summer, so we have to wait for autumn." Yang Guigui said, "By the end of the year, it is estimated that everyone will be able to eat rabbit meat." We also need rabbits in the Ministry of Health. ”

"First give the Ministry of Health an autopsy, and then give it to everyone after the autopsy."

"It's okay to use it for physiological dissection, but it's not okay to do pathological shiyan."

"This is natural." Wu Nanhai suddenly remembered, "Lingao, I remember that there were hares, and you didn't think about using local hares to improve and expand the population." ”

"Not very suitable. Moreover, the hare belt may carry the virus, and if it spreads, it will be miserable. ”

Zuihou and they came to a wasteland near the river, which was close to the highest water level of the Wenlan River in summer, with peanuts and watermelons growing in sandy soil, and a few large ponds connected to each other a little farther away, emitting a stench. Wu Nanhai knew that this was Tian Jiujiu's biochemical sewage treatment system. The farm is a large sewage household, flushing the cage will produce a large amount of wastewater rich in organic matter, the methane digester is nothing more than treatment, so a biological treatment system is made, the sewage is precipitated by the sedimentation tank, and then put into the treatment tank, and the excess nitrogen and phosphorus in the water are adsorbed by planting aquatic plants.

Several pools are covered with dense greenweeds, from which laborers are fishing, a source of green fodder and compost. Not far from here is the farm's silage pond.

"The greenweed in the pond is also a source of feed." Yang Guigui asked Wu Nanhai very seriously: "The Committee of Agriculture seems to have great expectations for the aquaculture industry. I just want to know about feed, have you considered it? You must know that without food, there is no farming. ”

"Of course I did."

Wu Nanhai talked about the feed solution and prepared to solve it through three links.

The main starchy feed is prepared with the solution of expanding the cultivation of sweet potatoes. It includes the sweet potato itself and the by-products produced in the deep processing of sweet potatoes, such as starch water and powder residue.

The second is green fodder, which is mainly engaged in corn silage in modern agriculture. In China, because food is precious, the corn stalk silage method is implemented. There is no corn in the Lingao Agricultural Committee, but silage alfalfa and some other leguminous fodder crops, as well as sweet potato leaves. In addition, high-yielding vegetables such as pumpkins and zucchini from scattered plots such as "Togashi" can also provide some feed.

The most important protein feed is to engage in earthworm and fly maggot farming, and the second is to recover by-products from oil extraction operations, such as soybean cake, peanut cake, and coconut oil cake. Bopu's seafood factory can also supply a portion of fishmeal made from trash fish and fish scraps.

Additives in feed, calcium can be directly recycled from eggshells and bones, or stone powder can be added. There is no shortage of salt, and if necessary, you can also get some trace elements from kelp and seaweed.

By-products of agricultural processing such as straw, rice bran, and sweet potato skins are not ideal as feed, but they can be used as a supplement, especially after processing, and can also be absorbed and utilized by livestock.

In this way, the source of feed is still quite extensive, and there will be no shortage of feed under the current breeding scale. According to the estimation of Fa Shilu and others, the feed supply after the sweet potato harvest in the second half of the year will be quite abundant, and it will also coincide with the peak of livestock littering in the autumn of that year.

"Last time, Fa Shilu told me that you have to use your brain, and you can't always think about corn and sweet potatoes. You can also get a lot of supplements from plants in the wild - in the past, children in the countryside had to go to the grass to feed the pigs. ”

"Is there such a plant in Lingao?"

"Absolutely. They are all common plants everywhere. Grasses such as thrifty grass, dogtail grass, horseshoe grass, alkali grass, and barnyard grass are used for pulping, silage and feeding pigs, and the effect is good. Needless to say, leguminous weeds are known to everyone. Wild vegetables such as gray cabbage, pig hairy cabbage, spiny cabbage, purslane, wild amaranth, endive, beef tongue, and lara vine can all be fed raw or fermented. There are also green leaves, poplar leaves, willow leaves, elm leaves, mulberry leaves, and the like. Although it cannot be said that it is everywhere, it is not uncommon. You can also get a lot by mobilizing students and semi-laborers in the commune as a side hustle. ”

"Honestly, I really wanted to bring water hyacinth, which is a ton and a ton in the river, and can be piled up into a dam when it erupts in the summer. It's much more efficient than if you were to do crowd tactics to collect fodder. ”

"This invasive species is still forgotten, and in the long run, there will be endless consequences. Let's not make another mistake about the mistakes of our predecessors. Green grass is also enough. I was also going to bring tilapia and crayfish. Later, they were all vetoed. ”

This issue has caused great controversy in the preparation stage of materials before the crossing, including tilapia, crayfish and so on have been defeated in the controversy. Zuihou decided not to bring any of these controversial breeds, because they all exist on the earth anyway, and they can be bred locally when needed.

"The crayfish were good, what a pity. Everyone loves to eat.

[зZcｎ.]