Tushen: Kiwon Dabbobin Waje, Alade da Kaji, No.01,2019
Abstract: Wannan takarda ta gabatar da aikace-aikacenmaganin rigakafi a cikin samar da kaza, da kuma tasirinsa akan aikin samar da kaza, aikin rigakafi, flora na hanji, ingancin kayan kiwon kaji, ragowar miyagun ƙwayoyi da juriya na miyagun ƙwayoyi, da kuma nazarin yanayin aikace-aikacen da kuma jagorancin ci gaban gaba na maganin rigakafi a cikin masana'antar kaza.
Mahimman kalmomi: maganin rigakafi; kaza; aikin samarwa; aikin rigakafi; ragowar miyagun ƙwayoyi; juriya na miyagun ƙwayoyi
Rarraba Hoto na Tsakiya Lamba.: S831 Lambar tambarin Takardu: C Mataki na ashirin da: 1001-0769 (2019) 01-0056-03
Magungunan rigakafi ko magungunan kashe qwari na iya hanawa da kashe ƙwayoyin cuta na ƙwayoyin cuta a wasu ƙididdiga.Moore et al ya ruwaito a karon farko cewa ƙarin maganin rigakafi a cikin abinci ya inganta yawan nauyin yau da kullum [1] a cikin broilers. Bayan haka, rahotanni masu kama da hankali sun karu. a shekarun 1990, an fara binciken magungunan kashe kwayoyin cuta a masana'antar kaji a kasar Sin. Yanzu, an yi amfani da maganin rigakafi fiye da 20 da yawa, suna taka muhimmiyar rawa wajen inganta samar da kaji da rigakafi da magance cututtuka. An gabatar da ci gaban bincike na tasirin maganin rigakafi ga kaji kamar haka.
1; Tasirin maganin rigakafi akan aikin samar da kaza
Za a iya amfani da Yellow, dynamycin, bacidin zinc, amamycin, da sauransu, don haɓaka girma, tsarin shine: hanawa ko kashe ƙwayoyin cuta na hanji kaji, hana yaduwar ƙwayoyin cuta masu cutarwa na hanji, rage abubuwan da ke faruwa; sanya bangon hanji na dabba ya zama bakin ciki, haɓaka haɓakar mucosa na hanji, haɓaka haɓakar abubuwan gina jiki; hana ci gaban ƙananan ƙwayoyin cuta na hanji da aiki, rage yawan amfani da sinadirai masu gina jiki da makamashi, da ƙara yawan abubuwan gina jiki a cikin kaji; hana ƙwayoyin cuta masu cutarwa na hanji suna haifar da metabolites masu cutarwa [2].Anshengying et al sun kara maganin rigakafi don ciyar da kajin kwai, wanda ya ƙara nauyin jikinsu da 6.24% a ƙarshen lokacin gwaji, kuma ya rage yawan zawo da [3].Wan Jianmei. et al ya ƙara nau'ikan nau'ikan nau'ikan Virginamycin da enricamycin a cikin ainihin abincin 1-day old AA broilers, wanda ya haɓaka matsakaicin ƙimar yau da kullun na kwanaki 11 zuwa 20. broilers da matsakaicin abincin yau da kullun na 22 zuwa 41 kwanakin broilers; ƙara flavamycin (5 mg/kg/kg) ya ƙaru da matsakaitan nauyin yau da kullun na 22 zuwa 41 tsofaffin broilers.Ni Jiang et al. ƙara 4 mg / kg lincomycin da 50 mg / kg zinc; da 20 MG / kg colistin don 26 d, wanda ya haɓaka yawan nauyin yau da kullun [5].Wang Manhong et al. ƙara enlamycin, bacracin zinc da naceptide don 42, d bi da bi a cikin abincin kajin AA na kwana 1, wanda ke da tasirin haɓaka haɓaka, tare da matsakaicin haɓakar nauyi na yau da kullun da ci abinci ya karu, kuma rabon nama ya ragu da [6].
2; Sakamakon maganin rigakafi akan aikin rigakafi a cikin kaji
Ayyukan rigakafi na dabbobi da kaji suna taka muhimmiyar rawa wajen inganta juriya na cututtuka da rage faruwar cututtuka.Bincike ya nuna cewa yin amfani da maganin rigakafi na dogon lokaci zai hana ci gaban ƙwayoyin rigakafi na kaji, rage aikin rigakafi da sauƙi don kamuwa da cuta. Cututtuka.Tsarin rigakafin rigakafi shine: kai tsaye yana kashe ƙwayoyin cuta na hanji ko hana haɓakar su, rage haɓakar epithelium na hanji da ƙwayar lymphoid na hanji, don haka rage yanayin kunna tsarin garkuwar jiki; tsoma baki tare da kira na immunoglobulin; rage phagocytosis cell; da rage ayyukan mitotic na lymphocytes na jiki [7].Jin Jiushan et al. an kara 0.06%, 0.010% da 0.15% na chloramphenicol na tsawon kwanaki 2 zuwa 60 na broilers, wanda ke da tasiri mai mahimmanci akan cutar tabar kaji da zazzabin typhoid na Avian, amma yana hanawa da rauni [8] a cikin gabobin jiki, kasusuwa da hemocytopoiesis.Zhang Rijun et al ciyar da broilers mai kwana 1 abincin da ya ƙunshi 150 MG / kg goldomycin, kuma nauyin thymus, splin da bursa ya ragu sosai [9] a cikin kwanaki 42. Guo Xinhua et al. ƙara 150 MG / kg na gilomycin a cikin abinci na 1-day-old AA maza, muhimmanci inhibiting ci gaban gabobin kamar bursa, humoral rigakafi da martani, da kuma hira kudi na T lymphocytes da B lymphocytes.Ni Jiang et al. ciyar da 4 MG / kg lincomycin hydrochloride, 50 MG da 20 mg / kg broilers bi da bi, da bursac index da thymus index da splin index ba su canza sosai. Sirrin IgA a kowane sashe na rukunoni uku ya ragu sosai, kuma adadin sinadarin IgM a cikin rukunin zinc na bactereracin ya ragu sosai [5].Duk da haka, Jia Yugang et al. an ƙara 50 mg / kg na gilomycin zuwa abinci na kwana 1 na maza don ƙara yawan adadin immunoglobulin IgG da IgM a cikin kajin Tibet, yana haɓaka sakin cytokine IL-2, IL-4 da INF-in serum, don haka haɓaka ƙwayar cuta. aikin rigakafi [11], sabanin sauran karatu.
3; Tasirin maganin rigakafi akan flora na hanji kaza
Akwai daban-daban microorganisms a cikin narkewa kamar fili na al'ada kaji, wanda kula da wani tsauri ma'auni ta hanyar hulda, wanda shi ne conducive ga girma da kuma ci gaban kaji.Bayan da yawa amfani da maganin rigakafi, mutuwa da kuma rage m kwayoyin cuta a cikin narkewa kamar fili damuwa. Tsarin hana juna tsakanin ƙwayoyin ƙwayoyin cuta, wanda ke haifar da sababbin cututtuka. A matsayin wani abu da zai iya hana ƙwayoyin cuta yadda ya kamata, magungunan kashe qwari na iya hanawa da kuma kashe dukkan kwayoyin halitta a ciki. kaji, wanda zai iya haifar da cututtuka na narkewar abinci da kuma haifar da cututtuka na tsarin narkewa.Tong Jianming et al. ƙara 100 mg / kg gilomycin zuwa ainihin abincin 1-rana tsohuwar AA kaza, adadin Lactobacillus da bifidobacterium a cikin dubura a cikin kwanaki 7 ya kasance ƙasa da ƙungiyar kulawa, babu wani babban bambanci tsakanin adadin ƙwayoyin cuta guda biyu. bayan kwanaki 14; Adadin Escherichia coli ya kasance ƙasa da ƙungiyar kulawa a 7,14,21 da 28 kwanaki, kuma [12] tare da ƙungiyar kulawa daga baya. Gwajin Zhou Yanmin et al ya nuna cewa maganin rigakafi ya hana jejunum, E. coli sosai. da Salmonella, kuma yana hana yaduwar Lactobacillus [13].Ma Yulong et al. ciyar da abincin waken soya na masara mai kwana 1 wanda aka ƙara da 50 MG / kg aureomycin zuwa kajin AA don 42 d, yana rage adadin Clostridium enterica da E. coli, amma ba a samar da wani mahimmanci ba [14] akan jimlar ƙwayoyin cuta na aerobic, jimlar kwayoyin anaerobic. da Lactobacillus lambobi.Wu opan et al sun kara 20 mg/kg Virginiamycin zuwa abincin kajin AA mai kwana 1, wanda ya rage polymorphism na intestinal flora, wanda ya rage 14-day-day-old ileal da cecal bands, kuma ya nuna babban bambanci a cikin kwatankwacin taswirar taswirar [15] . Lei Xinjian ya kara da cewa tasirinsa na hana L. lactis a cikin karamin hanji, amma yana iya rage yawan L. [16] a dubura. 200 mg / kg;;;;;;; Bactereracin zinc da 30 mg / kg Virginiamycin bi da bi, wanda ya rage yawan cechia coli da Lactobacillus a cikin broilers mai shekaru 42.Yin Luyao et al ya kara 0.1 g / kg na bacracin zinc premix na 70 d, wanda ya rage yawan adadin kuzari. ƙwayoyin cuta masu cutarwa a cikin cecum, amma yawancin ƙwayoyin cuta na cecum suma sun ragu [18]. wasu 'yan rahotanni akasin cewa ƙari na 20 mg / kg sulfate antienemy element na iya ƙara yawan adadin bifidobacterium [19] a cikin abin da ke cikin cecal na broilers mai kwanaki 21.
4; Tasirin maganin rigakafi akan ingancin kayan kiwon kaji
Kaji da kwai ingancin suna da alaƙa da alaƙa da ƙimar abinci mai gina jiki, kuma tasirin maganin rigakafi akan ingancin kayan kiwon kaji bai dace ba.A cikin kwanaki 60, ƙara 5 mg / kg don 60 d na iya ƙara yawan asarar ruwa na tsoka kuma rage ƙimar. na dafaffen nama, da kuma ƙara abun ciki na unsaturated fatty acids, polyunsaturated fatty acids da kuma muhimman fatty acids masu alaka da sabo da zaƙi, yana nuna cewa maganin rigakafi yana da ɗan lahani. tasiri a kan kaddarorin jiki na ingancin nama kuma yana iya inganta dandano [20] na kaza zuwa wani ɗan lokaci.Wan Jianmei et al ya kara da virinamycin da enlamycin a cikin abincin kaza na AA na kwanaki 1, wanda ba shi da wani tasiri mai mahimmanci akan aikin yanka. ko ingancin tsoka, kuma flavamycin ya rage asarar digon [4] a cikin tsokar kirjin kaji. Daga 0.03% gilomycin zuwa kwanaki 56, adadin yanka ya karu da 0.28%, 2.72%, 8.76%, ƙirjin tsokar ƙirji da 8.76%, da kitsen ciki da kashi 19.82% [21]. 19.00%, kuma karfin juzu'i da asarar drip sun ragu sosai [22].Yang Minxin ciyar 45 MG / kg na gilomycin zuwa abinci mai mahimmanci na 1-day-day na AA broilers ya rage yawan asarar karfin tsokar kirji kuma ya karu sosai [23] tare da T-SOD mahimmanci da matakan T-AOC a cikin tsokar ƙafa. Nazarin Zou Qiang et al akan lokacin ciyarwa iri ɗaya a cikin nau'ikan kiwo daban-daban sun nuna cewa an inganta ƙimar gano masticatory anti-cage gushi nono kaji sosai; amma taushi da ɗanɗanon sun kasance mafi kyau kuma ƙimar kima na azanci ya inganta sosai [24].Liu Wenlong et al. an gano cewa jimillar abubuwan dandano masu canzawa, aldehydes, alcohols da ketones sun fi kajin da ba su da kyauta fiye da kajin gida. Kiwo ba tare da ƙara maganin rigakafi ba zai iya inganta dandano na [25] a cikin qwai fiye da maganin rigakafi.
5; Tasirin maganin rigakafi akan ragowar kayan kiwon kaji
A cikin 'yan shekarun nan, wasu masana'antu suna bin sha'awar gefe ɗaya, kuma cin zarafi na maganin rigakafi yana haifar da karuwar tarin ƙwayoyin rigakafi a cikin kayan kiwon kaji.Wang Chunyan et al sun gano cewa ragowar tetracycline a cikin kaza da qwai ya kasance 4.66 mg / kg da 7.5 mg / kg bi da bi, yawan ganowa shine 33.3% da 60%; Mafi girman ragowar streptomycin a cikin qwai shine 0.7 mg / kg kuma adadin ganowa shine 20% [26].Wang Chunlin et al. ciyar da abinci mai ƙarfi mai ƙarfi wanda aka haɓaka tare da 50 mg / kg na gilmomycin zuwa kaza mai kwana 1. Chicken yana da ragowar gilomycin a cikin hanta da koda, tare da matsakaicin adadin [27] a cikin hanta. Bayan 12 d, ragowar gilmycin a cikin tsokar kirji ya kasance ƙasa da 0.10 g / g (mafi girman iyakar iyaka); kuma ragowar hanta da koda sun kasance 23 d;;;;;;;;;;;;;;;;; Lin Xiaohua ya yi ƙasa da madaidaicin madaidaicin iyaka [28] bayan 28 d.Lin Xiaohua ya yi daidai da guda 173 na dabbobi da naman kaji da aka tattara a Guangzhou daga 2006 zuwa 2008, adadin ya wuce 21.96%, kuma abun ciki ya kai 0.16 mg / kg ~ 9.54 mg / kg [29].Yan Xiaofeng ya ƙayyade ragowar biyar maganin rigakafi na tetracycline a cikin samfuran kwai 50, kuma sun gano cewa tetracycline da doxycycline suna da ragowar [30] a cikin samfuran kwai.Chen Lin et al. ya nuna cewa tare da tsawaita lokacin miyagun ƙwayoyi, tarin ƙwayoyin rigakafi a cikin tsokar ƙirji, tsokar ƙafa da hanta, amoxicillin da maganin rigakafi, amoxicillin da Doxycycline a cikin ƙwai masu tsayayya, da ƙari [31] a cikin ƙwai masu tsayayya.Qiu Jinli et al. ya ba 250 MG / L ga broilers na kwanaki daban-daban;;; da 333 mg / L na 50% hydrochloride soluble foda sau ɗaya a rana don 5 d, mafi yawa a cikin hanta nama da mafi girma a cikin hanta da tsoka da ke ƙasa [32] bayan 5 d janyewa.
6; Sakamakon maganin rigakafi akan juriya na miyagun ƙwayoyi a cikin kaza
Yin amfani da maganin rigakafi da yawa a cikin dabbobi da kaji na dogon lokaci zai haifar da ƙwayoyin cuta da yawa masu jure wa ƙwayoyi, ta yadda duk ƙwayoyin ƙwayoyin cuta na ƙwayoyin cuta za su canza sannu a hankali zuwa alkiblar juriya na miyagun ƙwayoyi zuwa [33]. Kwayoyin da ake samu daga kaji suna karuwa sosai, nau'ikan da ke jure wa magunguna suna karuwa, yanayin juriya na magunguna yana kara fa'ida, sannan kuma hankalin maganin kashe kwayoyin cuta ya ragu, wanda ke kawo matsaloli ga rigakafin cututtuka da kuma magance matsalolin. iko.Liu Jinhua et al. 116 S. aureus nau'in da aka ware daga wasu gonakin kaji a Beijing da Hebei sun sami digiri daban-daban na juriya na magunguna, galibi juriya da yawa, kuma S. aureus mai jurewar ƙwayoyi yana da yanayin haɓaka kowace shekara [34].Zhang Xiuying et al. ware nau'ikan Salmonella guda 25 daga wasu gonakin kaji a Jiangxi, Liaoning da Guangdong, sun kasance masu kula da kanamycin da ceftriaxone kawai, da juriya ga nalidixic acid, streptomycin, tetracycline, sulfa, cotrimoxazole, amoxicillin, ampicillin da wasu fluoroquinolones sun fi girma fiye da% 35].Xue Yuan et al. ya gano cewa nau'in 30 E. coli da ke ware a Harbin yana da hankali daban-daban ga maganin rigakafi 18, juriya mai tsanani da yawa, amoxicillin / potassium clavulanate, ampicillin da ciprofloxacin sun kasance 100%, kuma suna da matukar damuwa [36] ga amtreonam, amomycin da polymyxin B.Wang Qiwen da al. ware nau'ikan streptococcus guda 10 daga matattun gabobin kiwon kaji, gaba daya masu jure wa nalidixic acid da lomesloxacin, suna da hankali sosai ga kanamycin, polymyxin, lecloxacin, novovomycin, vancomycin da meloxicillin, kuma suna da juriya [37] ga sauran magungunan kashe qwari.Qu Ping binciken ya gano cewa nau'ikan jejuni 72 suna da digiri daban-daban na juriya ga quinolones, cephalosporins, tetracyclines suna da juriya sosai, penicillin, sulfonamide sune matsakaicin juriya, macrolide, aminoglycosides, lincoamides ƙananan juriya [38].Filin gauraye coccidium, madurycin, chloropepyridine, halilomycin da cikakken juriya [39].
Don taƙaitawa, yin amfani da maganin rigakafi a cikin masana'antar kaza zai iya inganta aikin samarwa, rage cututtuka, amma dogon lokaci da kuma amfani da maganin rigakafi ba kawai rinjayar aikin rigakafi ba da kuma ma'auni na microecological na hanji, rage ingancin nama da dandano, a lokaci guda zai samar da juriya na ƙwayoyin cuta da ragowar ƙwayoyi a cikin nama da ƙwai, yana shafar rigakafin cututtukan kaji da sarrafawa da amincin abinci, cutar da lafiyar ɗan adam. A cikin 1986, Sweden ita ce ta farko da ta hana maganin rigakafi a abinci, kuma a cikin 2006, Tarayyar Turai A cikin 2017, Hukumar Lafiya ta Duniya ta yi kira ga dakatar da maganin rigakafi don inganta rigakafin cututtuka da ci gaban lafiya a cikin dabbobi.Saboda haka, al'ada ce ta gabaɗaya don gudanar da bincike a hankali. na maganin kashe kwayoyin cuta, hade tare da aiwatar da wasu matakan gudanarwa da fasaha, da inganta ci gaban kiwo, wanda kuma zai zama alkiblar ci gaban masana'antar kaji a nan gaba.
Nassoshi: (labulai 39, an cire su)
Lokacin aikawa: Afrilu-21-2022