CN100496278C - Alkali type zinc chloride feedstuff additive preparation method - Google Patents
Alkali type zinc chloride feedstuff additive preparation method Download PDFInfo
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- CN100496278C CN100496278C CNB2004100231411A CN200410023141A CN100496278C CN 100496278 C CN100496278 C CN 100496278C CN B2004100231411 A CNB2004100231411 A CN B2004100231411A CN 200410023141 A CN200410023141 A CN 200410023141A CN 100496278 C CN100496278 C CN 100496278C
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- zinc
- zinc chloride
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- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 title claims abstract description 100
- 239000011592 zinc chloride Substances 0.000 title claims abstract description 49
- 235000005074 zinc chloride Nutrition 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003513 alkali Substances 0.000 title abstract description 4
- 239000000654 additive Substances 0.000 title description 6
- 230000000996 additive effect Effects 0.000 title description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 239000011701 zinc Substances 0.000 claims abstract description 69
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 66
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000005587 bubbling Effects 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 38
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 26
- 230000002354 daily effect Effects 0.000 description 19
- 206010012735 Diarrhoea Diseases 0.000 description 13
- 239000011787 zinc oxide Substances 0.000 description 13
- 241000287828 Gallus gallus Species 0.000 description 12
- 241000282898 Sus scrofa Species 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 235000013330 chicken meat Nutrition 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 235000021050 feed intake Nutrition 0.000 description 7
- 230000037396 body weight Effects 0.000 description 4
- 230000037406 food intake Effects 0.000 description 4
- 230000036039 immunity Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000013372 meat Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000002180 anti-stress Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000037308 hair color Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000031016 anaphase Effects 0.000 description 1
- 235000014590 basal diet Nutrition 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 244000144980 herd Species 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000021195 test diet Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229940110280 zinc methionine Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- CNMFGFBWPBBGKX-SCGRZTRASA-L zinc;(2s)-2-amino-4-methylsulfanylbutanoate Chemical compound [Zn+2].CSCC[C@H](N)C([O-])=O.CSCC[C@H](N)C([O-])=O CNMFGFBWPBBGKX-SCGRZTRASA-L 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides a powder form alkali zinc chloride as a feed addictive, whose preparation comprises the steps of, placing waste zinc in saturated zinc chloride solution, venting air at reaction temperature of 70-90 deg. C, centrifugalizing, rinsing, drying, disintegrating, and packaging for the finished product.
Description
Technical field:
The invention belongs to the preparation method of feed addictive, be specifically related to the preparation method of basic zinc chloride feed addictive.
Background technology:
The application of zinc is obligato in current breed, but generally all is used as the zinc element with zinc sulfate or zinc oxide, and the problem that these two kinds of zinc elements exist is that absorption is slow and absorptivity is low, so consumption is also big.Chelating zinc (zinc methionine) is though well then be difficult to whole application because of selling at exorbitant prices.
Summary of the invention:
Technical problem to be solved by this invention is, provide a kind of absorb fast, absorptivity is high, reduce excreta because the preparation method of the low basic zinc chloride feed addictive of high pollution on the environment of zinc content and price.
Feed addictive of the present invention is the powder-type basic zinc chloride, and its molecular formula is Zn
5Cl
2(OH)
8This compound is a kind of white powder, and is water insoluble, is dissolved in acid and ammoniacal liquor.
Preparation method of the present invention is as follows:
1, the zinc fragmentation of will giving up places saturated liquor zinci chloridi, continues bubbling air under 70-90 ℃ reaction temperature, and reaction time visual response degree and deciding reaches reaction end when pH value is 6-8.Reaction equation is as follows:
ZnCl
2+4Zn+2O
2+5H
2O＝Zn
5Cl
2(OH)
8+H
2O
2, centrifugation, washing;
3, dry, pulverize, be packaged into finished product.
Prepare the purity that basic zinc chloride can improve basic zinc chloride with this kind method, in this kind method, do not need to add other promotion reactant, so in last reactant, there is not other accessory substance.The present invention also has advantages such as technology is simple, price is low, quality of finished is good.
The specific embodiment:
Embodiment:
Preparation method of basic zinc chloride:
Reactions steps is as follows: the zinc fragmentation of will giving up places saturated liquor zinci chloridi, under 70-90 ℃ reaction temperature, continue bubbling air, reaction time visual response degree and deciding reaches reaction end when pH value is 6-8, centrifugation, washing, oven dry, pulverizing, can become finished product.Wherein zinc content is 60%.
Feed herd boar with this additive by zinc oxide dosage 30-60%, can promote growth, improve resistance against diseases; Prolong boar and breed service life;
Feed fattening pig with this additive by zinc oxide dosage 30-60% and can promote growth, improve feedstuff-meat ratio, improve yellowish pink, make the pigskin skin ruddy, the hair color light.
By the zinc oxide dosage 30-60% newborn piglet of feeding, can improve anti-stress ability and immunity with this additive, promote growth, prevent newborn piglet white scour, significantly improve the economic worth of feed;
Feed poultry with this additive by zinc oxide dosage 30-60% the speed of growth is improved, feedstuff-meat ratio descends, and strengthens the feather glossiness, improves its stress ability, reduces the death rate.
Feed aquatic livestock with this additive by zinc oxide dosage 30-60%, can strengthen immunity, reduce incidence and mortality, promote to produce, reduce disease and take place, reduce water-soluble loss and improve efficiency of feed utilization.
Through powder-type basic zinc chloride and the zinc oxide feeding experiment of growing, test method and result are as follows:
One, growth in piglets is influenced:
1, materials and methods
1.1 test material:
The inorganic zinc source is a market sale feed grade zinc oxide, and basic zinc chloride is given birth to by Changsha Xing Jia bioengineering Co., Ltd, zinc content 60%.
1.2 experimental design:
See Table 1,72 piglets (it is assorted to grow up) of selecting parity for use and giving a birth close are divided into 3 groups, every group of 3 repetitions, 8 of every repetitions, each repeats average weight basically identical (the indivedual adjustment), designs 1 control group and 2 test group, as shown in table 1, from piglet 18 ages in days, to 35 age in days off-tests.
Table 1, test grouping
1.3 test daily ration:
The test diet is with reference to the formulated particle complete feed of U.S. NRC (1998) nutritional need, and basic components and nutritional labeling see Table 2:
Table 2, basal diet prescription and nutrient water
1.4 feeding and management:
Piglet begins food calling from 5d, and 11d begins to raise in advance with the test daily ration, and 18d formally begins test, the 25d wean, and 28d changes the group, the 35d off-test, the test pig free choice feeding, automatic drinking bowl drinking-water, other management are carried out according to a conventional method.
1.5 investigation index:
Claim individual weight and feed consumption rate at test 1d, 18d, 25d, 35d, counting statistics daily gain, daily ingestion amount, feed conversion rate are observed the diarrhoea situation, and statistics diarrhoea index is observed the pig colour of skin, hair color situation, and the grice diarrhoea standards of grading see Table 3.The diarrhoea index refers to every group of pig defecate scoring sum.
Table 3, grice diarrhoea standards of grading
1.6 statistical analysis:
Test data all adopts the SAS statistical software to analyze comparison, and whether the difference between each processing of check is remarkable.
2, result of the test
2.1 the influence to the production performance of piglet: see Table 4
Total Test pig starting weight difference is (P〉0.05) not significantly.18 ages in days～25 ages in days, basic zinc chloride processed group, high zinc processed group, normal zinc processed group test pig daily gain are respectively 246g, 230g, 200g, basic zinc chloride processed group daily gain is the highest, alkali formula chlorine part zinc processed group, high zinc processed group and normal zinc processed group are compared, significant difference (P＜0.05), basic zinc chloride and high zinc processed group difference be (P〉0.05) not significantly; Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed intake are respectively: 50g, 43g, 41g, and alkali formula chlorine part zinc processed group feed intake is the highest, does not have significant difference (P〉0.05) between each is handled; Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed conversion rate are respectively: 0.20,0.19,, 0.21, do not have significant difference (P〉0.05).
Table 4, Different Zinc Source are to the influence of piglet production performance
25 ages in days～35 ages in days, basic zinc chloride processed group, high zinc processed group, normal zinc processed group test pig daily gain are respectively 212g, 204g, 141g, basic zinc chloride processed group daily gain is the highest, normal zinc processed group is minimum, basic zinc chloride processed group, high zinc processed group and normal zinc processed group are compared, significant difference (P＜0.05=, basic zinc chloride and high zinc processed group difference is (P〉0.05) not significantly; Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed intake are respectively: 297g, 294g, 237g, and basic zinc chloride processed group feed intake is the highest, and normal zinc processed group is minimum, significant difference between each is handled (P＜P0.05); Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed conversion rate are respectively: 1.40,1.44,1.68, and the basic zinc chloride processed group is the highest, does not have significant difference (P〉0.05).
Full phases 18 age in days～35 ages in days, basic zinc chloride processed group, high zinc processed group, normal zinc processed group test pig daily gain are respectively 226g, 215g, 165g, basic zinc chloride processed group daily gain is the highest, normal zinc processed group is minimum, basic zinc chloride processed group, high zinc processed group and normal zinc processed group are compared, significant difference (P＜0.05), basic zinc chloride and high zinc processed group difference be (P〉0.05) not significantly; Illustrate that the growth promoting function that basic zinc chloride processed group, high zinc processed group and normal zinc processed group compare piglet is effective, wherein basic zinc chloride processed group effect is best; Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed intake are respectively: 195g, 191g, 156g, and basic zinc chloride processed group feed intake is the highest, and normal zinc processed group is minimum, significant difference (P＜0.05) between each is handled; Basic zinc chloride processed group, high zinc processed group, normal zinc processed group feed conversion rate are respectively: 0.86,0.89,0.95, and the basic zinc chloride processed group is the highest, and each processed group does not have significant difference (P〉0.05).
2.2 grice diarrhoea index:
See Table 5, basic zinc chloride processed group and high zinc processed group diarrhoea index is lower, because this test carries out in 7-8 month, is subjected to temperature, humidity effect bigger, so the index of suffering from diarrhoea is totally higher.
Table 5, different disposal group are to the influence of diarrhoea index
3. analyze and discuss
Since finding to feed the foodstuff of opening of reaching 3000mg/kg for ablactation piglet zinc content with the zinc oxide form, after piglet ablactation back diarrhoea being reduced improve with body weight, the utilization of high zinc has caused great concern, and many researchs subsequently also are confirmed.But a large amount of uses of high zinc can cause the discharging of zinc in the excrement to increase and be unfavorable for protecting environment.The external use basic zinc chloride of recommending substitutes zinc oxide, mainly is the biology utilization rate that has been to improve zinc, uses the zinc of reduced levels just can improve weightening finish and raising feed efficiency, reaches the effect of high zinc.Basic zinc chloride processed group and high zinc processed group daily gain, daily ingestion amount, feed efficiency are than the normal group height in this and this test, and the diarrhoea incidence is hanged down consistent.This test is because of being subjected to pig farm animal house environment, effects limit such as production management level, thereby daily gain, daily ingestion amount in this test, the feed conversion rate integral level is on the low side, the more numerous tests of diarrhoea incidence are higher, therefore be necessary when conditions being possessed, carry out more test and use basic copper chloride instead in the full phase of Swine Production and verify its feeding effect.
Several respects differences such as basic zinc chloride processed group and high zinc processed group daily gain, daily ingestion amount, feed conversion rate, diarrhoea incidence not significantly (P〉0.05) in this test, and the basic zinc chloride processed group also is better than high zinc processed group, and it is zinc oxide that the biological value of this explanation basic zinc chloride is higher than.Therefore, substitute the consumption that inorganic high zinc such as zinc oxide can reduce zinc with basic zinc chloride, thereby the utilization rate that improves zinc helps environmental protection, it is fully feasible extensively promoting the use of in Swine Production.
Two, to the influence of meat chicken production performance:
1, test material
Select totally 1014 of 1 age in days AA broilers for use, be divided into three groups at random, 338 every group, divide two groups in the group, establish a repetition.6 days preliminary trial periods,, formal test is 40 days.
Basic zinc chloride is produced by Changsha Xing Jia bioengineering Co., Ltd, contains Zn60%; Zinc oxide is bought from the market.
2, test daily ration
The test daily ration adopts honest complete feed standard production
Table 2, test daily ration (complete feed) nutritive index parameter (unit: %)
Outside the index that dezincifies, be labeled marker content.
3, production performance index determining
The feed intake of detail record every day, measure the body weight of 35,46 chickens, the feather color of observing chicken changes the intact skin situation.
4, data are handled
Carry out the biostatistics analysis with SAS.
5, interpretation
The interpolation basic zinc chloride the results are shown in Table 3 to the influence of broiler growth performance.
Table 3, basic zinc chloride influence the experiment statistics table to meat chicken production performance
Test shows that at the initial stage of experiment, three groups of examination chicken body weight are close, behind 35 ages in days, each group begins differentiation to occur, wherein tests 2 groups of the bests, compares with control group, increases by 7.04%, testing 1 is 5.57%, and simultaneously feedstuff-meat ratio also descends, be respectively 6.38%, 6.85%.The test later stage (35-46 day), two groups of examination chickens are along with the increasing of basic zinc chloride addition, and examination chicken body weight is in rising trend, test 1 group with control group difference little (p〉0.05), test 2 groups differ greatly reach 7.24%, (p＜0.05), increase than the gaining effect in early stage.From the full phase, the weightening finish aspect, test 2 groups more obvious, reach 7.19% (p＜0.05), feedstuff-meat ratio 5.83%, 8.24% (p＜0.05) that descends.During the whole test, the death rate of adding the basic copper chloride group reduces by 30.11% (p＜0.05) than control group, and amplitude is bigger.
1, as known from Table 3, experimental group has greatly improved at aspects such as feedstuff-meat ratio, the death rates, control group feedstuff-meat ratio 2.16:1 wherein, the death rate 10.16%; Test 1 group of (20ppm) feedstuff-meat ratio 2.034:1, the death rate 7.1%; 2 groups of (40ppm) feedstuff-meat ratio 1.982:1, the death rate 7.1% in the forward and backward phase of experiment, has all improved weightening finish and has reduced feedstuff-meat ratio.Different is that this time in the experiment, anaphase effect is good in earlier stage, estimates relevant with ambient air temperature decline in the experimentation.This phenomenon needs the further experiment checking, but has any to determine, basic zinc chloride can improve the production performance of broiler.
2, the interpolation basic zinc chloride can reduce the death rate in the fryer production significantly, is confirmed in this experiment, and this Experimental Mortality reduces average out to 30%.Zinc can play enzyme, and enzyme has the effect that keeps cell integrity and exchange oxygen is arranged.Because genetic progress has been accelerated growth of meat chicken speed, demand to oxygen has just increased, and zinc can increase and keep the level of oxygen, and zinc is played a great role in body fluid and cell immune system simultaneously, strengthened chicken immunity, these aspects and the fryer death rate reduce much relations.
3, aspect outward appearance, the basic zinc chloride group also has improvement, and this may improve with the utilization rate of zinc, and it is relevant to play a role better
4, this description of test, basic zinc chloride substitute zinc oxide to have and promotes growing of fryer, and anti-stress, many-sides such as body's immunity all show certain advantage.
Claims (1)
1, a kind of preparation method of basic zinc chloride feed addictive is characterized in that:
1), the zinc fragmentation of will giving up places saturated liquor zinci chloridi, continues bubbling air under 70-90 ℃ reaction temperature, reaction time visual response degree and deciding reaches reaction end when pH value is 6-8, its reaction equation is:
ZnCl
2+4Zn+2O
2+5H
2O＝Zn
5Cl
2(OH)
8+H
2O；
2), centrifugation, washing;
3), dry, pulverize, be packaged into finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100231411A CN100496278C (en) | 2004-04-26 | 2004-04-26 | Alkali type zinc chloride feedstuff additive preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100231411A CN100496278C (en) | 2004-04-26 | 2004-04-26 | Alkali type zinc chloride feedstuff additive preparation method |
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| Publication Number | Publication Date |
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| CN1568746A CN1568746A (en) | 2005-01-26 |
| CN100496278C true CN100496278C (en) | 2009-06-10 |
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| CNB2004100231411A Expired - Lifetime CN100496278C (en) | 2004-04-26 | 2004-04-26 | Alkali type zinc chloride feedstuff additive preparation method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043708A (en) * | 2013-01-09 | 2013-04-17 | 长沙微安生物科技有限公司 | Preparation method of beta-tetrabasic zinc chloride, and application of beta-tetrabasic zinc chloride serving as animal feed additive |
| US9731978B2 (en) | 2014-10-28 | 2017-08-15 | Dongjiang Environmental Co., Ltd. | Method for preparing basic zinc chloride |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0622284A2 (en) * | 2006-05-25 | 2011-03-29 | Yiqiang Huang | process of obtaining basic zinc chloride used as a micronutrient additive |
| CN102132774B (en) * | 2011-03-29 | 2012-09-26 | 长沙兴嘉生物工程股份有限公司 | Coating type basic salt and application thereof to animal feed additives |
| CN103053812A (en) * | 2013-01-06 | 2013-04-24 | 深圳市危险废物处理站有限公司 | Feed additive basic zinc chloride and method for preparing feed additive basic zinc chloride by using zinc suboxide |
| CN104108741B (en) * | 2014-07-14 | 2016-02-03 | 上海理工大学 | A kind of preparation method of basic zinc chloride particle |
| CN113753941B (en) * | 2020-06-04 | 2023-11-21 | 中国科学院海洋研究所 | Method for preparing basic zinc chloride by heating |
| CN115784296B (en) * | 2022-11-25 | 2024-02-27 | 广西埃索凯循环科技有限公司 | Preparation method of high-chlorine zinc sulfate suitable for high-quality trace element premix feed |
-
2004
- 2004-04-26 CN CNB2004100231411A patent/CN100496278C/en not_active Expired - Lifetime
Non-Patent Citations (2)
| Title |
|---|
| 猪的营养需要.. 查红波等.上海畜牧兽医通讯.，第2期. 2003 |
| 猪的营养需要.. 查红波等.上海畜牧兽医通讯.，第2期. 2003 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043708A (en) * | 2013-01-09 | 2013-04-17 | 长沙微安生物科技有限公司 | Preparation method of beta-tetrabasic zinc chloride, and application of beta-tetrabasic zinc chloride serving as animal feed additive |
| CN103043708B (en) * | 2013-01-09 | 2015-02-11 | 长沙嘉源生物科技有限公司 | Preparation method of beta-tetrabasic zinc chloride, and application of beta-tetrabasic zinc chloride serving as animal feed additive |
| US9731978B2 (en) | 2014-10-28 | 2017-08-15 | Dongjiang Environmental Co., Ltd. | Method for preparing basic zinc chloride |
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| CN1568746A (en) | 2005-01-26 |
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