Effects of Chinese Medicinal Herb Feed Additives "Zengzhongling" on Growth Performance and Internal Secretion in Growing Pigs
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To investigate the effect of Chinese medicinal herb feed additives Zengzhongling on gowth performance and the content of GH,T_(3),T_(4)in the serum of growing pigs,30 growing pigs(20 kg initially) were divided into control group(no additive),treatment group Ⅰ(1% Chinese medicinal herb feed additives) and treatment group Ⅱ(2% Chinese medicinal herb feed additives).The results showed that comparing to control group,the treatment group Ⅰand group Ⅱwere increased 20.1%(P0.05)and 27.6%(P(0.01))of the weight gain per pig perday,19.9%(P0.05)and 23.8%(P0.05)of the food efficiency,(3.7%)(P0.05)and 23%(P0.05)of the content of GH,28.5%(P0.05)and 36.1%(P0.01) of the content of T_(3),19.3% and 32.8% of the content of T_(4),respectively.The results indicated that the effect of theZengzhonglingon improving growing performance perhaps though the system of internal secretion.Keywords:
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In this study, the pigs of three test groups were fed with three Chinese herbal medical feed additives which were put into ration with suitable proportion for 60 days. Compared with the control group, the average daily gain of three test group apartly increased 60 g, 130 g, 110 g. In which the second test group was more significant than control group(P0.05).The feed reward increased 11.76%and 5.88% .Economic benefits increased apartly 33.4%, 20.57%, 24.45% compared with the control group.The results show that the Chinese herbal medical additives can obviously increase performance of pig, and can substitute or partly substitute for antibiotic additivs to warrant the lasting development in raising pig and safe pork production. (004)
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27 healthy,80-day-old,Duroc×Llandrace×yorkshire hybridized piglets were selected to evalue the influence of chinese herb feed additive replacing the antibioticusage resuts in raising pigs production.The experiments were allotted in the single factor randomized block desining.The stage in each growth designs respectively Chinese medicine formulation(B)do to check against with the antibiotic set(A).The experience was divided into three stages and the end of study slaughtered mensuration.The results were as follows: Increase the chinese medicine,respectively in the day in weaned piglets food,the effect of average day weight gain(ADG),the average day feed(ADFI),feed conversion of the pigs(F/G)between the two hinese medicine groups and the antibiotic group(aureomycin) arebasicaally same and the difference do not respectively(P 0.05).increase the chinese respectively in theday in growing and finishing pigs food,the effect of average day weight chinese medicine groups and the antibiotic group(flavomycln)are similar too and the difference do not respctively(P0.05);
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This experiment took 100piglets and randomly divided into 5groups, i.e.control group,T Ⅰ, TⅡ, TⅢ, TⅣ.Control group took only regular rations(R R), and TⅠ : RR+0.2% Oxytetracycline,T Ⅱ: RR+0.2% oxytetracycline+0.5% Chinese herb, TⅢ : RR+1% Chinese herb, TⅣ :R R+2%Chinese herb.Each group was tested after 50days.The result showed that there was no significant difference among the 4groups in average daily feed intake, FCR and diarrhea rate( P0.05), but all the test groups were better than control group, the daily weight gain of the piglets in TⅡ, TⅢ, TⅣ was significantly higher than that of the control( P0.05) and TⅢ was the best among them.
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A 30-d trial with single factor completely randomized experimental design was conducted with 60 weaned pigs to determine the effects of Chinese herbal additives on growth performance.The weaned pigs were divided into 3 treatments(A,B,and C) with 2 replicates in each one.A(control group): basal diet,B(control group+0.3% Chinese herbal additive,C(basal diet+0.6% Chinese herbal additive).The results showed that compared with control group,final weight of group B and C improved 8.04%(P0.05) and 11.09%(P0.05),daily weight gain improved 13.42%(P0.05) and 15.96%(P0.05),feed gain ratio improved12.83%%(P0.05) and 15.54%(P0.05),however,daily feed intake is nonsignificant.
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Completely randomized design
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1000 broiler chickens were randomly divided into five groups with unit group design.Ⅰgroup(basal diets+ 75mg/kg flavomycin+ 45.75mg/kg roxarsone);II group(basal diets+0.3% Chinese medicinal herb additive);III group(basal diets+ 0.4% Chinese medicinal herb additive;IV group(basal diets+0.3% Chinese medicinal herb additive+ lycine);V group(basal diets).The results showed that live weight,feed gain ratio and feed intake of the group with 0.3% Chinese medicinal herb additive(II group and IV group) were significantly different with antibitics group and control group(P 0.01),the optimal amount of Chinese medicinal herb additive is 0.3%.
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96 healthy piglets at similar day age and about 28kg weight were randomly allocated into 4 groups and fed with different diets.The first group was the control group which fed with basic diet,the second,third and fourth group were the experimental groups which fed with basic diet and adding medicinal plant compound at different level,3%,2% and 1%,respectively.The results showed that compared with the control group,the pigs fed with medicinal compound additive showed significant improvement in morphological appearance,the amount in daily gain,pork quality,nutrition value,the resistance to disease,pigpen environment,and the cost of raising pigs was significantly decreased.It indicated that medicinal compound used as additive to feed pigs showed significant effect and was worth promoting.
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Objective To investigate the effect of Chinese herb feed additive on layer production and egg quality.Methods Six hundred pre-natal 100-day Roman layers were divided into 5 groups randomly.In four experimental groups,in group A and B,0.25% and 0.5% Chinese herb ultrafine powder were added into diet respectively.In group C and D,0.25% and 0.5% Chinese herb cribble were added into diet respectively.Group E was control group.Chinese herb feed additive were used in experimental groups for continuously 5 days,then stopped for 3 days.That was a cycle,which was repeated 5 times.Egg quantity and quality were measured periodically.Results Results shown that laying rate in group A and B were significantly higher than that in group C and D(P0.05),and maintained above 90% in the whole experimental stage after egg laying crest-time,while laying rate in group C,D and E decreased to less than 90%.Adding different doses of Chinese herb feed additive had no effect on quality of shell thickness,egg-shaped index.Albumen in experimental groups were different significantly with those of control during anaphase.Conclusion Adding Chinese herb feed additive 0.25-0.5% fine powder to layers'diet may improve laying rate and egg quality significantly.
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Since the use of antibiotics in animal feed has become a critical concern worldwide due to severe threats to human health and environment, we are in need of finding alternatives to antibiotics in pig breeding, maintaining the health of pigs, and getting high-quality pork. As traditional Chinese herbs (TCH) are rich natural resources in China and show great benefits to human health we propose to transfer this abundant resource into animal production industry as additives.
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45 Duroc-Landrace-Yorkshire crossbred weaning piglets with average weight of about 10 kg were divided into three groups.Two Chinese herbal feed additives(Ⅰ and Ⅱ),antibacterials and growth-promoter were supplemented respectively to feed in 3 groups(Chinese herbal medicine Ⅰ,Chinese herbal medicine Ⅱ and control group).Growth performance among the three groups was compared. Compared with the control group,average daily gains in the group of Chinese herbal medicine Ⅰ were increased by 6.54%,5.01%,4.49% and 4.74% respectively in the four stages,while the feed conversions were decreased by(1.55%),8.25%,5.65% and-0.03% respectively.Average daily gains in the group of Chinese herbal medicine Ⅱ were increased by 1.44%, 2.24%,4.12% and 4.55% respectively,while the feed conversions decreased by-2.50%,6.01%,6.21% and 1.08%.And the two were able to prevent 10-40 kg weigh piglets from diarrhea effectively.The results indicated that Chinese herbal feed additives Ⅰ and Ⅱ can obviously improve the piglets' growth performance.The efficacy is superior to antibacterials and growth-promoter.
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This experiment was conducted to investigate the effects of Chinese herbal additive on growth performance and immune function of finishing pigs in summer season.A total 200 of crossed growing pigs(Duroc×Landrace×Yorkshire),weighted about 60 kg,sorted by weight and gender,were allotted to 4 treatments,with 5 replicates per treatment and 10 pigs per replicate.The basal diet was corn-soybean,without antibiotics and Chinese herbal additives.The control group was fed withbasal diets added with 50 mg/kg virginiamycin(50%) and the test group(Ⅰ,Ⅱ,Ⅲ) were fed with basal diets added with 0.5%,1.0%,1.5% Chinese herbal additive.The results were as follows: compared with control group,average daily gain and average daily intake of group Ⅲ were significantly increased(P0.05),and the feed/gain ration of all test groups were decreased(P0.05).In contrast to control group,the apparent digestibility of dry matter,crude protein,calcium,phosphorus and the utilization of energy of all test group were tended to increase.And compared with control group,the concentration of serum IgA,IgG,IgM,C3,C4 of test group pigs were significantly increased(P0.05).In conclusion,in summer season,the diet added with Chinese herbal additive can improve growth performance,utilization of nutrients and immune function of finishing pigs.
Virginiamycin
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