CN102640881B - Compound feed for broiler ducks in age of 0-46 days - Google Patents
Compound feed for broiler ducks in age of 0-46 days Download PDFInfo
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Abstract
The invention discloses a compound feed for meat ducks in age of 0-46 days. The compound feed is prepared from the following raw materials: corn, hard red wheat, maize embryo cake, corn protein powder, soybean meal, peanut meal, cottonseed meal, double-low rapeseed meal, poultry oil, mountain powder, calcium hydrogen phosphate, table salt, wheat enzyme, lysine sulphate, methionine, threonine, tryptophan, choline chloride, vitamin premix and trace element premix. The compound feed disclosed by the invention has the beneficial effects that: the raw materials of the feed for meat ducks are reasonable in portioning, a lot of wheat is adopted for substituting corn in the feed, and the wheat enzyme is reasonably added on the basis, thus the shortage of feed resources in China can be alleviated, digestibility of meat ducks to wheat is improved, production performance of meat ducks is improved while carcass indexes of meat ducks are improved, technical support is provided for application and development of raw materials of a lean-meat duck feed, and higher social value can be created.
Description
Technical field
The present invention relates to a kind of fleshy duck fodder, particularly a kind of meat duck 0-46 age in days mixed feed.
Background technology
Recent years, China's animal husbandry was flourish, and feed demand constantly rises, but nowadays was faced with the situation of feed shortage, and this will become the primary factor of restriction China's feed industry and sustainable development of animal husbandry.Therefore developing new feed resource is one of main path that solves the feed deficiency.Wheat does not embody its maximum value as the unconventional raw material in the feed for a long time.The research and comparison that at present meat duck raw material is used is few, a lot of all is to use for reference the using method of raw material in daily ration of broiler, but the meat duck has certain difference with the system that digests and assimilates of broiler chicken, because the meat duck has the caecum than broiler chicken prosperity, so the meat duck is strong more a lot of than broiler chicken to coarse-fibred abilities of digestive and absorption, therefore, to the raw material of a lot of relatively high fibers, its use amount and nutritive value in daily grain of meat duck needs us to reappraise.
Now, China became the first in the world meat duck big producing country and consumption big country, the expection that has exceeded soon people of its speed.Shandong Province's meat duck scale is raised and is started in 2000, because culture benefit is good, in recent years development rapidly, by 2005, expectation meat duck was delivered nearly 3.5 hundred million for sale, about 10,000,000,000 yuan of the output value, can say that meat duck industry has developed into the new highlight of in recent years Shandong Province's animal husbandry.
Low output is high because the cultivation of meat duck drops into, and the cultivation profit is more considerable, moreover with respect to broiler breeding, the meat duck is crude feed tolerance more, and disease is also few, and good management was so meat duck aquaculture development was very fast in recent years.Just because of the huge meat duck number of animals raised, make and be engaged in also growing up like the mushrooms after rain of fleshy duck fodder manufacturing enterprise, the feed market competition is unusually fierce.In the whole aquaculture cost of meat duck, the height that feed cost is used has determined the height of aquaculture cost, and in order to obtain larger culture benefit, the raiser only pays close attention to the transformation ratio of feed.Feed producer is devoted to improve food conversion ratio under this market orientation, has used a large amount of ENERGETIC MATERIALSs, directly causes the meat duck raised out partially fertile, so that today occurs duck and become the streaky pork present situation.
Duck is because it is of high nutritive value, and unique flavor is well received by consumers.The risk that causes human body to be got fat after but the duck existence that fat content is very high is edible, limit the consumption of duck, affected developing of meat duck industry, so, no matter from the development of industry or from the angle of health diet, it is extremely urgent how research produces lean meat species meat duck.
Summary of the invention
In order to reduce fat content and raising meat duck production performance and the carcass index of fleshy duck fodder cost, restriction meat duck, the invention provides a kind of meat duck 0-46 age in days mixed feed.
In order to realize the foregoing invention purpose, the invention provides a kind of meat duck 0-46 age in days mixed feed, it is characterized in that, when meat duck 0-17 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 25-35%, hard red wheat 25-45%, maize germ cake 1.5-2.6%, corn protein powder 1.6-2.7%, dregs of beans 8-15%, peanut meal 1.5-5%, Cottonseed Meal 1-3%, Double bottom rapeseed dregs 1-3%, fowl oil 0.2-0.7%, stone flour 0.5-2.5%, calcium monohydrogen phosphate 1-3%, salt 0.1-0.5%, wheat enzyme 0.01-0.03%, lysine sulphate 0.5-1.5%, methionine 0.1-0.5%, threonine 0.1-0.4%, tryptophan 0.02-0.05%, Choline Chloride 0.06-0.15%, vitamin premix 0.1-0.4%, microelement pre-mix material 0.1-0.4%, the percentage by weight sum of above-mentioned raw materials is 100%;
When meat duck 18-32 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 23-35%, hard red wheat 35-55%, maize germ cake 1-4%, corn protein powder 3-7%, dregs of beans 2-8%, Double bottom rapeseed dregs 1-3%, fowl oil 0.5-1.3%, stone flour 1-2%, calcium monohydrogen phosphate 1-2%, salt 0.1-0.5%, lysine sulphate 0.4-1.2%, methionine 0.1-0.3%, threonine 0.1-0.3%, tryptophan 0.01-0.05%, Choline Chloride 0.05-0.15%, vitamin premix 0.1-0.4%, microelement pre-mix material 0.1-0.4%, the percentage by weight sum of above-mentioned raw materials is 100%;
When meat duck 33-46 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 20-25%, hard red wheat 45-65%, maize germ cake 1-5%, corn protein powder 1-3%, dregs of beans 1-5%, Double bottom rapeseed dregs 1-5%, fowl oil 1-5%, stone flour 0.5-1%, calcium monohydrogen phosphate 0.8-1.5%, salt 0.1-0.5%, wheat enzyme 0.01-0.03, lysine sulphate 0.4-1.2%, methionine 0.05-0.3%, threonine 0.1-0.3%, tryptophan 0.01-0.05%, Choline Chloride 0.05-0.1%, vitamin premix 0.1-0.4%, microelement pre-mix material 0.1-0.4%, the percentage by weight sum of above-mentioned raw materials is 100%.
When meat duck 0-17 age in days, various raw materials and percentage by weight thereof are preferably in the described mixed feed: corn 30-35%, hard red wheat 37-42%, maize germ cake 1.8-2.2%, corn protein powder 2-2.5%, dregs of beans 11-15%, peanut meal 2-3%, Cottonseed Meal 1.5-2.5%, Double bottom rapeseed dregs 1.5-2.5%, fowl oil 0.3-0.6%, stone flour 1-2%, calcium monohydrogen phosphate 1.5-2.5%, salt 0.2-0.4%, wheat enzyme 0.01-0.02, lysine sulphate 0.8-1.2%, methionine 0.2-0.4%, threonine 0.2-0.3%, tryptophan 0.02-0.04%, Choline Chloride 0.08-0.12%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
When meat duck 18-32 age in days, various raw materials and percentage by weight thereof are preferably in the described mixed feed: corn 23-30%, hard red wheat 45-52%, maize germ cake 2-4%, corn protein powder 4-6%, dregs of beans 5-8%, Double bottom rapeseed dregs 1.5-2.5%, fowl oil 0.7-1.3%, stone flour 1-1.5%, calcium monohydrogen phosphate 1-1.5%, salt 0.3-0.5%, wheat enzyme 0.01-0.02, lysine sulphate 0.5-1%, methionine 0.1-0.2%, threonine 0.15-0.3%, tryptophan 0.01-0.03%, Choline Chloride 0.05-0.1%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
When meat duck 33-46 age in days, various raw materials and percentage by weight thereof are preferably in the described mixed feed: corn 20-24%, hard red wheat 54-62%, maize germ cake 2-5%, corn protein powder 1.5-2.5%, dregs of beans 1-4%, Double bottom rapeseed dregs 1-3%, fowl oil 2-4%, stone flour 0.5-0.9%, calcium monohydrogen phosphate 0.8-1.3%, salt 0.3-0.5%, wheat enzyme 0.01-0.02, lysine sulphate 0.5-1%, methionine 0.08-0.2%, threonine 0.1-0.2%, tryptophan 0.01-0.02%, Choline Chloride 0.05-0.08%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
When meat duck 0-17 age in days, various raw materials and percentage by weight thereof can also be preferably in the described mixed feed: corn 31.285%, hard red wheat 40.02%, maize germ cake 2%, corn protein powder 2.1%, dregs of beans 12%, peanut meal 2.6%, Cottonseed Meal 2%, Double bottom rapeseed dregs 2%, fowl oil 0.5%, stone flour 1.41%, calcium monohydrogen phosphate 1.62%, salt 0.36%, wheat enzyme 0.015%, lysine sulphate 1.01%, methionine 0.31%, threonine 0.24%, tryptophan 0.03%, Choline Chloride 0.1%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
When meat duck 18-32 age in days, various raw materials and percentage by weight thereof can also be preferably in the described mixed feed: corn 28.385%, hard red wheat 49.99%, maize germ cake 3%, corn protein powder 5%, dregs of beans 6%, Double bottom rapeseed dregs 2%, fowl oil 0.9%, stone flour 1.3%, calcium monohydrogen phosphate 1.39%, salt 0.41%, wheat enzyme 0.015%, lysine sulphate 0.8%, methionine 0.15%, threonine 0.17%, tryptophan 0.01%, Choline Chloride 0.08%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
When meat duck 33-46 age in days, various raw materials and percentage by weight thereof can also be preferably in the described mixed feed: corn 22.795%, hard red wheat 60.03%, maize germ cake 3%, corn protein powder 2%, dregs of beans 3%, Double bottom rapeseed dregs 3%, fowl oil 2.51%, stone flour 0.62%, calcium monohydrogen phosphate 1.08%, salt 0.4%, wheat enzyme 0.015%, lysine sulphate 0.76%, methionine 0.14%, threonine 0.18%, tryptophan 0.01%, Choline Chloride 0.06%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
Described vitamin premix is the vitamin premix DV12, the vitamin premix DV22 that produce of Qingdao and U.S. feed corporation,Ltd, among the vitamin premix DV32 one or more; Described microelement pre-mix material is the microelement pre-mix material M-P that Qingdao and U.S. feed corporation,Ltd produce; Described fowl oil is the fowl oil (II) that Shandong Continent Biological Technology Co., Ltd produces, and is to refine gained by meat duck abdomen fat.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: the various reasonable raw material proportioning of fleshy duck fodder of the present invention, adopt a large amount of wheats to replace corn in the feed, alleviate the situation of China's feed resource shortage, and rationally add on this basis the wheat enzyme, improve the meat duck to the digestibility of wheat, not only improved the production performance of meat duck, and improved meat duck carcass index, application research and development to lean meat species fleshy duck fodder raw material provide technical support, more can create good social value.
The specific embodiment
High for traditional fleshy duck fodder cost, the problem that fat content is high, the invention provides a kind of meat duck 0-46 age in days mixed feed, wherein, when meat duck 0-17 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 31.285%, hard red wheat 40.02%, maize germ cake 2%, corn protein powder 2.1%, dregs of beans 12%, peanut meal 2.6%, Cottonseed Meal 2%, Double bottom rapeseed dregs 2%, fowl oil 0.5%, stone flour 1.41%, calcium monohydrogen phosphate 1.62%, salt 0.36%, wheat enzyme 0.015%, lysine sulphate 1.01%, methionine 0.31%, threonine 0.24%, tryptophan 0.03%, Choline Chloride 0.1%, vitamin premix 0.2%, microelement pre-mix material 0.2%, wherein, vitamin premix is the vitamin premix DV12 that Qingdao and U.S. feed corporation,Ltd produce;
When meat duck 18-32 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 28.385%, hard red wheat 49.99%, maize germ cake 3%, corn protein powder 5%, dregs of beans 6%, Double bottom rapeseed dregs 2%, fowl oil 0.9%, stone flour 1.3%, calcium monohydrogen phosphate 1.39%, salt 0.41%, wheat enzyme 0.015%, lysine sulphate 0.8%, methionine 0.15%, threonine 0.17%, tryptophan 0.01%, Choline Chloride 0.08%, vitamin premix 0.2%, microelement pre-mix material 0.2%, wherein, vitamin premix is the vitamin premix DV22 that Qingdao and U.S. feed corporation,Ltd produce;
When meat duck 33-46 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 22.795%, hard red wheat 60.03%, maize germ cake 3%, corn protein powder 2%, dregs of beans 3%, Double bottom rapeseed dregs 3%, fowl oil 2.51%, stone flour 0.62%, calcium monohydrogen phosphate 1.08%, salt 0.4%, wheat enzyme 0.015%, lysine sulphate 0.76%, methionine 0.14%, threonine 0.18%, tryptophan 0.01%, Choline Chloride 0.06%, vitamin premix 0.2%, microelement pre-mix material 0.2%, vitamin premix are the vitamin premix DV32 that Qingdao and U.S. feed corporation,Ltd produce.
Wherein, microelement pre-mix material is the microelement pre-mix material M-P that Qingdao and U.S. feed corporation,Ltd produce; Fowl oil is the fowl oil (II) that Shandong Continent Biological Technology Co., Ltd produces, and is to refine gained by meat duck abdomen fat.
The contrast experiment:
Experiment selects 1 age in days male and female to mix 2640 of Growth of Cherry Valley meat ducklings, that body weight guarantees is basically identical (P〉0.05), be divided at random two groups, select the meat duck compound feed (embodiment group) of the embodiment of the invention and traditional fleshy duck fodder (control group) to feed respectively and compare experiment.
Wherein, various raw materials and percentage by weight thereof are in traditional fleshy duck fodder (control group): corn 63.78%, wheat mark two powder 5%, maize germ cake 2%, corn protein powder 5%, corn DDGS 6%, dregs of beans 6%, peanut meal 3.9%, Double bottom rapeseed dregs 2%, fowl oil 5.7%, stone flour 1.47%, calcium monohydrogen phosphate 1.36%, salt 0.41%, lysine sulphate 0.75%, methionine 0.13%, threonine 0.13%, tryptophan 0.02%, Choline Chloride 0.08%, vitamin premix DV22 0.2%, microelement pre-mix material M-P 0.2%.
Weigh and add up feed intake when meat duck 18 ages in days, 30 ages in days and 41 ages in days carry out empty stomach to the meat duck, to calculate the production performance indexs such as daily ingestion amount, daily gain, feedstuff-meat ratio and body weight, the result is as shown in table 1.Every group of 120 of extraction carried out slaughter experiment to calculate carcass index when meat duck 44 ages in days are delivered for sale, and the result is as shown in table 2.The meat duck compound feed of present embodiment and the price per ton of traditional fleshy duck fodder compare, and the result is as shown in table 3.
Wherein, test data is processed with SAS 8.0 softwares, adopts the ANOVA in the SAS software to carry out variance analysis, the multiple ratio of carrying out average with the Duncan method, significance is 5%.
Table 1: the production performance index table of comparisons
From the data of table 1 as can be known: the meat duck of using the meat duck compound feed of the embodiment of the invention to feed, nursing to 18 age in days, 19-30 age in days and 31-41 age in days are in three time periods, the meat duck that its daily ingestion amount and conventional feed are fed does not have significant change, but average weight, daily gain and feedstuff-meat ratio all are higher than the meat duck that conventional feed is fed.This shows that meat duck compound feed of the present invention has guaranteed the nutritional need of meat duck, has improved simultaneously the production performance of meat duck.
Table 2: the carcass index table of comparisons
From the data of table 2 as can be known: the meat duck of using the meat duck compound feed of the embodiment of the invention to feed, its leaf fat rate is lower by 0.349% than the leaf fat rate of the meat duck that traditional fleshy duck fodder is fed, and other carcass index difference all is higher than the meat duck that traditional fleshy duck fodder is fed.This shows that meat duck compound feed of the present invention has reduced the fat content of meat duck trunk, and has improved the overall objective of meat duck trunk.
Table 3: the feed cost table of comparisons
From the data of table 3 as can be known: the meat duck compound feed average unit cost of the embodiment of the invention is lower than 153 yuan/tons of traditional fleshy duck fodders, and the daily ingestion amount of each time period is more or less the same, and this shows that meat duck compound feed of the present invention has obviously reduced the meat duck and fed cost.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. meat duck 0-46 age in days mixed feed, it is characterized in that, when meat duck 0-17 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 25-35%, hard red wheat 25-45%, maize germ cake 1.5-2.6%, corn protein powder 1.6-2.7%, dregs of beans 8-15%, peanut meal 1.5-5%, Cottonseed Meal 1-3%, double lower rapeseed dreg 1-3%, fowl oil 0.2-0.7%, stone flour 0.5-2.5%, calcium monohydrogen phosphate 1-3%, salt 0.1-0.5%, wheat enzyme 0.01-0.03%, lysine sulphate 0.5-1.5%, methionine 0.1-0.5%, threonine 0.1-0.4%, tryptophan 0.02-0.05%, Choline Chloride 0.06-0.15%, vitamin premix 0.1-0.4%, microelement pre-mix material 0.1-0.4%, the percentage by weight sum of above-mentioned raw materials is 100%;
When meat duck 18-32 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 23-30%, hard red wheat 45-52%, maize germ cake 2-4%, corn protein powder 4-6%, dregs of beans 5-8%, double lower rapeseed dreg 1.5-2.5%, fowl oil 0.7-1.3%, stone flour 1-1.5%, calcium monohydrogen phosphate 1-1.5%, salt 0.3-0.5%, wheat enzyme 0.01-0.02%, lysine sulphate 0.5-1%, methionine 0.1-0.2%, threonine 0.15-0.3%, tryptophan 0.01-0.03%, Choline Chloride 0.05-0.1%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%;
When meat duck 33-46 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 20-25%, hard red wheat 45-65%, maize germ cake 1-5%, corn protein powder 1-3%, dregs of beans 1-5%, double lower rapeseed dreg 1-5%, fowl oil 1-5%, stone flour 0.5-1%, calcium monohydrogen phosphate 0.8-1.5%, salt 0.1-0.5%, wheat enzyme 0.01-0.03%, lysine sulphate 0.4-1.2%, methionine 0.05-0.3%, threonine 0.1-0.3%, tryptophan 0.01-0.05%, Choline Chloride 0.05-0.1%, vitamin premix 0.1-0.4%, microelement pre-mix material 0.1-0.4%, the percentage by weight sum of above-mentioned raw materials is 100%.
2. meat duck 0-46 age in days mixed feed according to claim 1, it is characterized in that, when meat duck 0-17 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 30-35%, hard red wheat 37-42%, maize germ cake 1.8-2.2%, corn protein powder 2-2.5%, dregs of beans 11-15%, peanut meal 2-3%, Cottonseed Meal 1.5-2.5%, double lower rapeseed dreg 1.5-2.5%, fowl oil 0.3-0.6%, stone flour 1-2%, calcium monohydrogen phosphate 1.5-2.5%, salt 0.2-0.4%, wheat enzyme 0.01-0.02%, lysine sulphate 0.8-1.2%, methionine 0.2-0.4%, threonine 0.2-0.3%, tryptophan 0.02-0.04%, Choline Chloride 0.08-0.12%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
3. meat duck 0-46 age in days mixed feed according to claim 1, it is characterized in that, when meat duck 33-46 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 20-24%, hard red wheat 54-62%, maize germ cake 2-5%, corn protein powder 1.5-2.5%, dregs of beans 1-4%, double lower rapeseed dreg 1-3%, fowl oil 2-4%, stone flour 0.5-0.9%, calcium monohydrogen phosphate 0.8-1.3%, salt 0.3-0.5%, wheat enzyme 0.01-0.02%, lysine sulphate 0.5-1%, methionine 0.08-0.2%, threonine 0.1-0.2%, tryptophan 0.01-0.02%, Choline Chloride 0.05-0.08%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
4. meat duck 0-46 age in days mixed feed according to claim 1, it is characterized in that, when meat duck 0-17 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 31.285%, hard red wheat 40.02%, maize germ cake 2%, corn protein powder 2.1%, dregs of beans 12%, peanut meal 2.6%, Cottonseed Meal 2%, double lower rapeseed dreg 2%, fowl oil 0.5%, stone flour 1.41%, calcium monohydrogen phosphate 1.62%, salt 0.36%, wheat enzyme 0.015%, lysine sulphate 1.01%, methionine 0.31%, threonine 0.24%, tryptophan 0.03%, Choline Chloride 0.1%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
5. meat duck 0-46 age in days mixed feed according to claim 1, it is characterized in that, when meat duck 18-32 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 28.385%, hard red wheat 49.99%, maize germ cake 3%, corn protein powder 5%, dregs of beans 6%, double lower rapeseed dreg 2%, fowl oil 0.9%, stone flour 1.3%, calcium monohydrogen phosphate 1.39%, salt 0.41%, wheat enzyme 0.015%, lysine sulphate 0.8%, methionine 0.15%, threonine 0.17%, tryptophan 0.01%, Choline Chloride 0.08%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
6. meat duck 0-46 age in days mixed feed according to claim 1, it is characterized in that, when meat duck 33-46 age in days, various raw materials and percentage by weight thereof are in the described mixed feed: corn 22.795%, hard red wheat 60.03%, maize germ cake 3%, corn protein powder 2%, dregs of beans 3%, double lower rapeseed dreg 3%, fowl oil 2.51%, stone flour 0.62%, calcium monohydrogen phosphate 1.08%, salt 0.4%, wheat enzyme 0.015%, lysine sulphate 0.76%, methionine 0.14%, threonine 0.18%, tryptophan 0.01%, Choline Chloride 0.06%, vitamin premix 0.2%, microelement pre-mix material 0.2%.
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| CN105639079A (en) * | 2014-11-25 | 2016-06-08 | 广西大学 | Feed capable of improving immunity of meat-type ducks |
| CN105309830A (en) * | 2015-12-10 | 2016-02-10 | 宿州市畜牧兽医技术推广中心 | Three-phases feeding compound feed for cherry valley ducks and using method thereof |
| CN106333124A (en) * | 2016-08-27 | 2017-01-18 | 天长市金农农业发展有限公司 | Balanced nutrition feed for 20-30 day ducks |
| CN106472856A (en) * | 2016-09-30 | 2017-03-08 | 中国农业科学院哈尔滨兽医研究所 | Animal protein-free feedstuff for SPF kind duck brood time and preparation method thereof |
| CN108739657A (en) * | 2018-06-21 | 2018-11-06 | 新泰市天信农牧发展有限公司 | A kind of method of meat duck large-scale cultivation |
| CN111602748A (en) * | 2020-05-11 | 2020-09-01 | 四川绵樱鸭业有限公司 | Compound feed for meat ducks capable of reducing weak duck proportion under feeding limiting condition |
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