CN1568746A - Alkali type zinc chloride feedstuff additive and preparation method thereof - Google Patents
Alkali type zinc chloride feedstuff additive and preparation method thereof Download PDFInfo
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- CN1568746A CN1568746A CNA2004100231411A CN200410023141A CN1568746A CN 1568746 A CN1568746 A CN 1568746A CN A2004100231411 A CNA2004100231411 A CN A2004100231411A CN 200410023141 A CN200410023141 A CN 200410023141A CN 1568746 A CN1568746 A CN 1568746A
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- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 title claims abstract description 104
- 239000011592 zinc chloride Substances 0.000 title claims abstract description 50
- 235000005074 zinc chloride Nutrition 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000003513 alkali Substances 0.000 title abstract description 6
- 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 147
- 239000011701 zinc Substances 0.000 claims abstract description 78
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 3
- 239000003674 animal food additive Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QVLSUSDHNOLZMO-UHFFFAOYSA-N [Zn].ClOCl Chemical compound [Zn].ClOCl QVLSUSDHNOLZMO-UHFFFAOYSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 63
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 40
- 238000012360 testing method Methods 0.000 description 29
- 239000011787 zinc oxide Substances 0.000 description 20
- 206010012735 Diarrhoea Diseases 0.000 description 18
- 238000002474 experimental method Methods 0.000 description 18
- 241000287828 Gallus gallus Species 0.000 description 17
- 235000021050 feed intake Nutrition 0.000 description 11
- 241000282887 Suidae Species 0.000 description 10
- 235000013330 chicken meat Nutrition 0.000 description 8
- 208000021017 Weight Gain Diseases 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 235000019786 weight gain Nutrition 0.000 description 7
- 230000004584 weight gain Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 235000013372 meat Nutrition 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 210000003746 feather Anatomy 0.000 description 4
- 230000036039 immunity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000037396 body weight Effects 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 235000021316 daily nutritional intake Nutrition 0.000 description 3
- 235000021051 daily weight gain Nutrition 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 235000019750 Crude protein Nutrition 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000037308 hair color Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 235000019733 Fish meal Nutrition 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 235000019752 Wheat Middilings Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- DTHZWUDUWBPDQI-UHFFFAOYSA-N [Zn].ClO Chemical group [Zn].ClO DTHZWUDUWBPDQI-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000002180 anti-stress Effects 0.000 description 1
- 235000014590 basal diet Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 description 1
- 229940038879 chelated zinc Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000019784 crude fat Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004467 fishmeal Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- -1 phosphomethionine zinc Chemical compound 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 235000021195 test diet Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification 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
- VOSQOLXQDQZVCL-UHFFFAOYSA-L zinc;chloride;hydroxide Chemical compound [OH-].[Cl-].[Zn+2] VOSQOLXQDQZVCL-UHFFFAOYSA-L 0.000 description 1
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- Fodder In General (AREA)
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
The technical field is as follows:
the invention belongs to a feed additive and a preparation method thereof, and particularly relates to a basic zinc chloride feed additive and a preparation method thereof.
Background art:
the application of zinc in the current breeding is indispensable, but zinc sulfate or zinc oxide is generally used as the zinc element, and the two zinc elements have the problems of slow absorption and low absorption rate, so the dosage is large. While the chelatedzinc (zinc methionine) is good, it is difficult to use it completely due to its high price.
The invention content is as follows:
the invention aims to solve the technical problem of providing the basic zinc chloride feed additive which has the advantages of quick absorption, high absorption rate, reduction of the environmental pollution caused by the high zinc content of excrement and low price and the preparation method thereof.
The feed additive is powdery basic zinc chloride, and the molecular formula of the feed additive is Zn3Cl(OH)8The compound is a white powder, insoluble in water, soluble in acid and ammonia.
The preparation method of the invention comprises the following steps:
1. crushing waste zinc, placing the crushed waste zinc into a saturated zinc chloride solution, continuously introducing air at the reaction temperature of 70-90 ℃, wherein the reaction time is determined according to the reaction degree, and the reaction end point is reached when the pH value is 6-8. The reaction formula is as follows:
2. centrifugal separation and water washing;
3. drying, crushing and packaging to obtain the finished product.
The purity of basic zinc chloride can be improved by preparing the basic zinc chloride in such a way that no additional promoter is required and therefore no other by-products are present in the final reactants. The invention also has the advantages of simple process, low price, good quality of finished products and the like.
The specific implementation mode is as follows:
example (b):
the preparation method of the basic zinc chloride comprises the following steps:
the reaction steps are as follows: crushing waste zinc, placing the crushed waste zinc into a saturated zinc chloride solution, continuously introducing air at the reaction temperature of 70-90 ℃, ensuring that the reaction time is determined according to the reaction degree, reaching the reaction end point when the pH value is 6-8, and performing centrifugal separation, washing, drying and crushing to obtain a finished product. Wherein the zinc content is 60%.
The additive is used for feeding boars according to the dosage of 30-60 percent of zinc oxide, and can promote growth and improve disease resistance; the service life of breeding pigs is prolonged;
the additive can promote growth, improve feed conversion ratio and improve meat color, and make pigskin ruddy and hair color bright when fed to fattening pigs with zinc oxide content of 30-60%.
When the additive is used for feeding piglets, the dosage of the zinc oxide is 30-60%, the anti-stress capability and the immunity can be improved, the growth is promoted, the piglets are prevented from diarrhea, and the economic value of the feed is obviously improved;
when the additive is used for feeding meat poultry according to the dosage of 30-60% of zinc oxide, the growth speed can be improved, the feed-meat ratio is reduced, the feather glossiness is enhanced, the stress capability is improved, and the death rate is reduced.
The additive is used for feeding aquatic animals with the dosage of zinc oxide of 30-60%, and can enhance immunity, reduce morbidity and mortality, promote production, reduce diseases, reduce water-soluble loss and improve feed utilization rate.
The growth and feeding tests of the powder type basic zinc chloride and the zinc oxide are carried out, and the test method and the results are as follows:
firstly, the growth influence on piglets is as follows:
1. materials and methods
1.1 test materials:
the inorganic zinc source is feed grade zinc oxide sold in the market, the basic zinc chloride is produced by Changshengjia bioengineering limited company, and the zinc content is 60 percent.
1.2 experimental design:
referring to table 1, 72 piglets (growing and miscellaneous) with similar gestation and delivery were selected and divided into 3 groups, each group had 3 replicates, each replicate had 8 replicates, and the average body weight of each replicate was substantially identical (individually adjusted), and 1 control group and 2 test groups were designed, as shown in table 1, starting at 18 days of age of piglet and ending at 35 days of age of the test.
TABLE 1 test grouping
Group of sources of zinc
Control group zinc oxide source 100mg/kg zinc
Experiment 1 group of basic zinc chloride sources 90mg/kg zinc
Experiment 2 group zinc oxide source 3000mg/kg zinc
1.3 test daily:
the experimental diets were formulated as granular complete feed with reference to the nutritional requirements of NRC (1998) in the united states, and the basic formula and nutritional ingredients are shown in table 2:
TABLE 2 basal diet formula and nutrient moisture
Raw material proportion% nutrient content level
Corn 62 digestion energy MJ/kg 13.37
26.7 Dry matter% 87.38 of Bean pulp
Import fish meal 2 crude protein% 19.03
Wheat middling 5.0% crude fat 2.92
Calcium hydrogen phosphate 2.0% calcium 1.07
Common salt 0.3 phosphorus% 0.62
Stone powder 0.5
Microelement premix 0.3
Multidimensional 0.03
Lysine 1.0
1.4 breeding management:
the piglets are induced to eat from 5 days, are prefed with the test daily ration from 11 days, are formally tested from 18 days, are weaned for 25 days, are transferred to the group for 28 days, are tested after 35 days, are fed freely by the test pigs, are drunk by an automatic drinking fountain, and are managed by a conventional method.
1.5 investigation indexes:
individual weights and feed consumptions are weighed at 1d, 18d, 25d and 35d of the experiment, daily gain, daily feed intake and feed conversion rate are calculated and counted, diarrhea conditions are observed, diarrhea indexes are counted, the skin color and hair color conditions of pigs are observed, and piglet diarrhea scoring standards are shown in Table 3. The diarrhea index refers to the sum of the scores of the excrements discharged by the pigs in each group.
TABLE 3 piglet diarrhea score criteria
Degree of diarrhea stool appearance description score
Normal bar or granule shape 0
Lightly formed, soft stool 1
Moderate thick, no separation of liquid dung and loose stool 2
Severe liquid non-formation, liquid-dung separation 3
1.6 statistical analysis:
and analyzing and comparing the test data by adopting SAS statistical software, and checking whether the difference among treatments is obvious or not.
2. Test results
2.1 influence on the productivity of piglets: see Table 4
The initial weight differences of all the test pigs are not significant (P is more than 0.05). The test pigs in the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group have the daily weight gains of 246g, 230g and 200g respectively at the age of 18 days to 25 days, the daily weight gain of the basic zinc chloride treatment group is the highest, the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group have obvious difference (P is less than 0.05), and the basic zinc chloride has no obvious difference (P is more than 0.05) with the high zinc treatment group; the feed intake of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group is respectively as follows: 50g, 43g, 41g of the basic zinc chloride treatment group having the highest food consumption with no significant difference between the treatments (P>0.05); the feed conversion rates of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group are respectively as follows: 0.20, 0.19, 0.21, no significant difference (P>0.05).
TABLE 4 influence of different zinc sources on piglet production Performance
Zinc oxide source basic zinc chloride and zinc oxide source
100mg/kg Source 903000 mg/kg
Zinc mg/kg zinc
18d weight (kg) 5.655.535.68
25d weight (kg) 7.057.257.29
35d weight (kg) 8.469.379.33
18～25d
Daily gain (g) 200246230
Daily food intake (g) 415043
Feed conversion ratio 0.210.200.19
25d～35d
Daily gain (g) 141212204
Daily food intake (g) 237297294
Feed conversion ratio 1.681.401.44
18d～35d
Daily gain (g) 165226215
Daily food intake (g) 156195191
Feed conversion ratio 0.950.860.89
The daily gains of the test pigs in the 25-35-day age group are 212g, 204g and 141g respectively, the daily gain of the basic zinc chloride treatment group is the highest, the daily gain of the normal zinc treatment group is the lowest, and compared with the normal zinc treatment group, the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group have obvious difference (P is less than 0.05, the basic zinc chloride and the high zinc treatment group have no obvious difference (P is more than 0.05), and the feed intake of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group are respectively as follows: 297g, 294g and 237g, the feed intake of the basic zinc chloride treatment group is the highest, the feed intake of the normal zinc treatment group is the lowest, the treatment difference is obvious (P is less than P0.05), and the feed conversion rates of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group are respectively as follows: 1.40, 1.44, 1.68, highest in the zinc oxychloride treatment group, with no significant difference (P>0.05).
The total age is 18-35 days, the daily gains of the test pigs in the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group are respectively 226g, 215g and 165g, the daily gain of the basic zinc chloride treatment group is the highest, the daily gain of the normal zinc treatment group is the lowest, and compared with the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group, the difference is obvious (P is less than 0.05), and the difference between the basic zinc chloride and the high zinc treatment group is not obvious (P is more than 0.05); the results show that the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group have good growth promotion effects on piglets, wherein the basic zinc chloride treatment group has the best effect; the feed intake of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group is respectively as follows: 195g, 191g and 156g, the feed intake of the basic zinc chloride treatment group is the highest, the normal zinc treatment group is the lowest, and the treatment differences are significant (P is less than 0.05); the feed conversion rates of the basic zinc chloride treatment group, the high zinc treatment group and the normal zinc treatment group are respectively as follows: 0.86, 0.89 and 0.95, the highest zinc oxychloride treatment groups have no significant difference (P>0.05) among the treatment groups.
2.2 piglet diarrhea index:
as shown in Table 5, the diarrhea index of the alkali zinc chloride treated group and the high zinc treated group was low, and the diarrhea index was generally high because the experiment was performed in 7-8 months and was greatly influenced by temperature and humidity.
TABLE 5 Effect of different treatment groups on diarrhea index
Zinc oxide source basic zinc chloride source and zinc oxide source
100mg/kg zinc 350mg/kg zinc 3000mg/kg zinc
Diarrhea index 1565
3. Analysis and discussion
Since the utilization of high zinc has attracted considerable attention since it was found that feeding weaned piglets with starter foods containing up to 3000mg/kg of zinc in the form of zinc oxide resulted in a reduction in diarrhea and an increase in body weight of the piglets after weaning, many subsequent studies have also been confirmed. However, the use of high zinc in large quantities leads to increased zinc emission from the manure, which is not environment-friendly. The basic zinc chloride is recommended to replace zinc oxide abroad, mainly the biological utilization rate of zinc is improved, and the weight gain and the feed conversion efficiency can be improved by using lower level of zinc, so that the effect of high zinc is achieved. This is consistent with the higher daily gain, daily feed intake, and feed efficiency of the alkali zinc chloride treated group and the high zinc treated group compared to the normal group, and the lower incidence of diarrhea in this test. The experiment is limited by factors such as piggery and livestock house environment, production management level and the like, so that the overall level of daily weight gain, daily feed intake and feed conversion rate is low, and the diarrhea incidence rate is higher than that of numerous experiments in the experiment, so that more experiments are carried out and the feeding effect is verified by using the basic copper chloride in the whole period of pig raising production when conditions are met.
In the test, thedifferences of daily gain, daily feed intake, feed conversion rate, diarrhea incidence and the like between the alkali zinc chloride treatment group and the high zinc treatment group are not obvious (P is more than 0.05), and the basic zinc chloride treatment group is superior to the high zinc treatment group, which shows that the biological value of the basic zinc chloride is higher than that of zinc oxide. Therefore, the use level of zinc can be reduced by replacing inorganic high zinc such as zinc oxide and the like with the alkali zinc chloride, the utilization rate of zinc is improved, the environment is protected, and the method is completely feasible for wide popularization and use in pig production.
Secondly, the influence on the production performance of the broiler chicken is as follows:
1. test materials
1014 AA broiler chickens with the age of 1 day are selected and randomly divided into three groups, each group comprises 338 chickens, and the groups are divided into two groups and are arranged in a repeated mode. The pre-test period is 6 days, and the official test period is 40 days.
The basic zinc chloride is produced by Changshuxijia bioengineering company Limited and contains 60 percent of Zn; zinc oxide is commercially available.
2. Test daily ration
The experimental daily ration is produced by adopting a standard of positive complete feed
TABLE 2 nutritional index parameters of test diets (complete feed) (Unit:%)
Variety crude protein crude fiber crude ash calcium total phosphomethionine zinc (mg/kg)
1100 20.0 5.0 7.0 0.80-1.20 0.6 0.44 75
1200 18.0 5.0 7.0 0.7-1.20 0.55 0.36 75
1300 16.0 5.0 7.0 0.7-1.20 0.55 0.32 72.5
Except for the index of zinc, the contents of the labels are marked.
3. Determination of production Performance indicators
The daily feed intake was recorded in detail, the body weight of the chickens was measured at 35 days and 46 days, and the feather color change and the skin integrity of the chickens were observed.
4. Data processing
The biometrical analysis was performed with SAS.
5. Analysis of Experimental results
The results of the effect of the addition of zinc chloride hydroxide on the growth performance of broiler chickens are shown in table 3.
Table 3, table of statistics of the effect of basic zinc chloride on broiler productivity
Project control group test 1 test 2
Initial weight (kg) of 6 days old 40.56a40.90a39.50a
21 day old terminal weight (kg) 228.48a239.30ab240.66b
1-21 daily gain (kg) 187.93a198.40ab201.16b
Comparison with control group (1-21 days, weight gain) 5.57% 7.04%
1-21 days spent material (kg) 280.00276.77279.21
1-21 daily feed meat ratio of 1.490a1.395b1.388b
Compared with control group (1-21 days, feed/meat ratio) 6.38%, 6.85%
End-of-day 46-old weight (kg) 712.09a739.3a759.3b
21-46 daily gain (kg) 483.61500.00518.64
Comparison with control group (21-46 days, weight gain) 3.39% 7.24%
21-46 days spent material (kg) 1170.001125.731147.29
21-46 feed-meat ratio of 2.419a2.251b2.212b
Compared with control group (21-46 days, feed/meat ratio) 6.94% 8.56%
Total weight gain (kg) 671.53a689.4ab719.8b
Comparison with control group (full period, weight gain) 2.66% 7.19%
Full period spent material (kg) 1450.501402.501426.50
The full-term feed-meat ratio is 2.160a2.034b1.982b
Compared with the control group (full period, feed-meat ratio) 5.83% and 8.24%
The death rate of the whole period is 10.16 percenta7.10％b7.10％b
Comparison with control group (mortality) 30.11% 30.11%
The feathers of the experimental group chickens are uniform, regular and smooth, the feet are yellow,
Color change of feather and skin
Crowned red, slightly superior in appearance to the control group of chickens
Experiments show that at the initial stage of the experiment, the weights of three groups of test chickens are similar, and after the age of 35 days, the groups begin to differentiate, wherein the group 2 is the best, the weight is increased by 7.04% compared with the control group, the weight is 5.57% in the experiment 1, and the feed-meat ratio is also reduced, and the weight is respectively 6.38%, 6.85% and 6.85%. In the later period of the test (35-46 days), the weight of the test chickens in the two groups increases with the increase of the addition amount of the basic zinc chloride, the difference between the test group 1 and the control group is small (p is more than 0.05), the difference between the test group 2 and the control group is large and reaches 7.24 percent (p is less than 0.05), and the weight increasing effect is improved compared with that in the earlier period. In the aspect of weight increase, the weight gain of the test 2 group is more obvious and reaches 7.19 percent (p is less than 0.05), and the feed-meat ratio is reduced by 5.83 percent and 8.24 percent (p is less than 0.05). The mortality rate of the group with the addition of basic copper chloride was 30.11% (p<0.05) less than that of the control group during the whole test period, with a greater margin.
1. As can be seen from Table 3, the experimental group has great improvements in the feed-meat ratio, the mortality and the like, wherein the feed-meat ratio of the control group is 2.16: and the mortality is 10.16%; experiment 1 group (20ppm) feed-meat ratio is 2.034: 1, and mortality rate is 7.1%; the feed-meat ratio of 2 groups (40ppm) is 1.982: 1, the death rate is 7.1%, and the weight gain is improved and the feed-meat ratio is reduced in both the early stage and the later stage of the experiment. The difference is that in the experiment, the later effect is better than that in the earlier period, and the estimation is related to the reduction of the ambient temperature in the experiment process. This phenomenon needs further experimental verification, but it can be confirmed that basic zinc chloride can improve the productivity of broiler chickens.
2. The addition of basic zinc chloride can greatly reduce the death rate in the production of broiler chickens, which is proved in the experiment, and the death rate in the experiment is reduced by 30 percent on average. Zinc can function as an enzyme that maintains cellular integrity and exchanges oxygen. The growth speed of the broiler chickens is accelerated due to genetic progress, the demand on oxygen is increased, the zinc can increase and maintain the level of the oxygen, and meanwhile, the zinc plays a great role in a humoral and cellular immune system to enhance the immunity of the chickens, and the aspects are greatly related to the reduction of the death rate of the broiler chickens.
3. The improvement in the zinc chlorohydrate group in terms of appearance may be related to the increased availability and better functioning of zinc
4. The experiment shows that the zinc oxide is replaced by the basic zinc chloride, so that the growth and development of the broiler chicken are promoted, and certain advantages are shown in various aspects such as stress resistance, body immunity and the like.
Claims (2)
1. A feed additive, characterized in that: the feed additive is powder type basic zinc chloride with a molecular formula of Zn3Cl(OH)8The compound is a white crystal or crystalline powder, is insoluble in water, and is soluble in acid and ammonia water.
2. A process for preparing the feed additive zinc oxychloride of claim 1, wherein:
1) crushing waste zinc, placing the crushed waste zinc into a saturated zinc chloride solution, continuously introducing air at the reaction temperature of 70-90 ℃, wherein the reaction time is determined according to the reaction degree, and the reaction end point is reached when the pH value is 6-8, and the reaction formula is as follows:
2) centrifugal separation and water washing;
3) drying, crushing and packaging to obtain the finished product.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007137460A1 (en) * | 2006-05-25 | 2007-12-06 | Yiqiang Huang | Method for preparing a trace element additive basic zinc chloride |
| CN102132774A (en) * | 2011-03-29 | 2011-07-27 | 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 |
| CN104108741A (en) * | 2014-07-14 | 2014-10-22 | 上海理工大学 | Preparation method of alkaline zinc chloride particles |
| CN113753941A (en) * | 2020-06-04 | 2021-12-07 | 中国科学院海洋研究所 | Method for preparing basic zinc chloride by heating |
| CN115784296A (en) * | 2022-11-25 | 2023-03-14 | 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 |
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| 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 |
| CN104276595B (en) | 2014-10-28 | 2016-08-17 | 东江环保股份有限公司 | A kind of preparation method of basic zinc chloride |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007137460A1 (en) * | 2006-05-25 | 2007-12-06 | Yiqiang Huang | Method for preparing a trace element additive basic zinc chloride |
| CN102132774A (en) * | 2011-03-29 | 2011-07-27 | 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 |
| 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 |
| CN104108741A (en) * | 2014-07-14 | 2014-10-22 | 上海理工大学 | Preparation method of alkaline zinc chloride particles |
| CN104108741B (en) * | 2014-07-14 | 2016-02-03 | 上海理工大学 | A kind of preparation method of basic zinc chloride particle |
| CN113753941A (en) * | 2020-06-04 | 2021-12-07 | 中国科学院海洋研究所 | Method for preparing basic zinc chloride by heating |
| CN115784296A (en) * | 2022-11-25 | 2023-03-14 | 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 |
| 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 |
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