Zhengye biological is a famous family, with a long history and profound cultural background, with nearly 50 years of animal biological products research and development and production experience;Also stick to adopt fresh, advancing with The Times, comply with industry trends, adhering to the "science and technology make animals better" as the enterprise mission and "casting the high-quality goods, the quality of science and technology achievements future" business philosophy, and steadily forward the modernization of science and technology enterprises, on the basis of the already listed on the new three board towards capital markets motherboard is accelerating pace.The company has four series of vaccine products, such as pig, poultry, cattle and sheep, pet, etc., more than 30 varieties, more than 80 specifications, the scope of customers and sales channels cover the whole country, the main products have been successfully entered into many large domestic breeding groups.
All staff of zhengye biological will stick to the core values of "being a virtuous person, pursuing the right path, doing the right thing and promoting zhengye", and provide users with the best quality products and services.
The company decided to develop overseas markets in early 2016.Establish contact with overseas customers by opening cross-border e-commerce websites and attending international professional animal husbandry exhibitions.
Customers from Egypt, Pakistan and other countries have established contact with our company through cross-border e-commerce websites, so as to further communicate and understand, and negotiate for future cooperation
Our company participated in Vietnam international animal husbandry exhibition in October 2016. During the exhibition, we conducted friendly negotiation with agents from Vietnam, South Korea, Cambodia, Pakistan and other countries and initially established cooperation intention.
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Through the above two channels, our company has signed the exclusive agency agreement with agents from Egypt, Pakistan and other countries, and has started the product registration.In particular, the company officially received a notice from the ministry of health of Egypt on April 5, 2018, acknowledging that our company met the import standards of Egyptian vaccine products and issued the acceptance and approval documents.The company is currently handling the certification of related documents in the final stage of export, and it is expected to realize the formal export of the company's vaccine products in early 2019.
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Vocation organisms to create an extremely powerful r&d and service team, already invited strategic partners, chief scientist of the joint research and development and technical transformation, also invite industry renowned experts give production, service and other technical support and guidance, also hire and train with professional master's and above degree, clinical experienced senior technical teacher as internal service expert, for the majority of farming friends healthy breeding service support, and achieve the mission of "science and technology make animals better.
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豬肺疫是由多種殺傷性巴氏桿菌所引起的一種急性傳染?。ㄘi巴氏桿菌?。?,俗稱“鎖喉風”,“腫脖瘟”。急性或慢性經過,急性呈敗血癥變化,咽喉部腫脹,高度呼吸困難。該病潛伏期1-5天。最急性型,晚間還正常吃食,次日清晨即已死亡,??床坏奖憩F癥狀,病程稍長,體溫升高到41-42℃,食欲廢絕,全身衰弱,臥地不起,呼吸困難,呈犬坐姿勢,口鼻流出泡沫,病程1-2日,死亡率100%。急性型,體溫40-41℃,痙攣性干咳,排出痰液呈粘液性或膿性,呼吸困難,后成濕、痛咳,胸部疼痛,呈犬坐、犬臥,初便秘,后腹瀉,在皮膚上可見淤血性出血斑。慢性型,持續有咳嗽,呼吸困難,鼻流少量粘液,有時出現關節腫脹,消瘦,腹瀉,經2周以上衰竭死亡,病死率60-70%。進行預防接種,是預防本病的重要措施,每年定期進行兩次免疫注射。
豬丹毒是豬丹毒桿菌引起的一種急性熱性傳染病,其主要特征為高熱、急性敗血癥、皮膚疹塊(亞急性)、慢性疣狀心內膜炎及皮膚壞死與多發性非化膿性關節炎(慢性)。該病潛伏期短的1天,長的7天。主要分為急性型,亞急性型和慢性型。
急性型常見,以突然爆發、急性經過和高死亡為特征。病豬精神不振、高燒不退;不食、嘔吐;結膜充血;糞便干硬,附有粘液。小豬后期下痢。耳、頸、背皮膚潮紅、發紫。臨死前腋下、股內、腹內有不規則鮮紅色斑塊,指壓褪色后而融合一起。常于3-4天內死亡。病死率80%左右,不死者轉為疹塊型或慢性型。哺乳仔豬和剛斷乳的小豬發生豬丹毒時,一般突然發病,表現神經癥狀,抽搐,倒地而死,病程多不超過一天。
該病對青霉素敏感。預防可采用疫苗免疫接種,8周齡一次,最好10~12周齡再來一次。
注:使用豬丹毒、豬肺疫疫苗前后一周禁用抗生素,避免影響免疫效果。
1、首先看發病日齡
偽狂犬易發日齡是哺乳期至斷奶前后,再大的豬以呼吸道癥狀為主,很少表現出神經癥狀。而腦型鏈球菌不分日齡段,無論多大的豬都有發病的可能。
2、看易發季節
偽狂犬易發于寒冷季節,因為大多病毒在高溫季節,抵不過陽光中的紫外線,所以不易流行。
腦型鏈球菌,易發于高溫季節。原因是高溫季節細菌繁殖活躍。
3、看發病率
腦型鏈球菌,多是單一出現,且幾乎無先兆癥狀突然發病。除了發病的那個,其它的豬一切正常。
偽狂犬病多是組團發病,要么不發,一發病就會不止一個,大約在25%左右。即便是出現一頭有神經癥狀的,那些還沒出現神經癥狀的也一定有或腹瀉或嘔吐的現象存在。這是區分這兩種病的最最重要的依據。
豬偽狂犬的預防必須根據豬場實際情況來決定方案,如根據母豬、仔豬發病情況進行預防免疫,仔豬的頭免建議按照正業推介方案進行。
確診發病母豬可2~3頭份活苗緊急免疫。
確診發病仔豬可3~4頭份活苗緊急兔疫。同時備好腎上腺素或地塞米松以防應激。
有條件的可在疫苗注射時配有轉移因子、多肽等。
1、滴鼻是為了早期阻斷偽狂犬野毒感染,通過粘膜免疫,早期占位,保護機體免受偽狂犬野毒攻擊。通過此理論的解析,很多養殖戶都樂于接受,并落實執行,并在偽狂犬不穩定的豬場有較為明顯的效果。
2、隨著科學的發展,中和抗體指標的深入應用,其實母源抗體高而平穩的豬群,產房小豬是不需要滴鼻的。母源抗體高足以抵抗野毒的攻擊,并且攻毒試驗也證明了,偽狂犬通過免疫母豬生出來的小豬,免疫前對小豬攻毒,小豬是受保護的。
3、滴鼻免疫主要是粘膜免疫,母源抗體主要轉化為體液免疫,兩者之間是有聯系的,并且滴鼻可以中和母源抗體。通過反復跟蹤發現,做過偽狂犬滴鼻的豬群,后面偽狂犬一免或者二免的中和抗體效價都比較低。
原理上滅活苗產生以體液免疫為主的免疫反應,它產生的抗體有中和、清除病原微生物及其產生的毒素作用。滅活苗對病毒、細胞內寄生的細菌、寄生蟲無治療作用或效果很差。隨著技術的進步,有些佐劑可以誘導產生一定的細胞免疫,在早期有一定的治療作用;在中后期是沒治療作用的。
支原體疫苗分兩大類,弱毒活苗和滅活疫苗。滅活疫苗肌注免疫,主要產生體液免疫,而不能阻斷野毒支原體在體內的移行。弱毒活苗的作用機理是占位效應。野毒支原體在感染侵入機體時機理也是占位效應。所以在預防野毒感染的結果選擇前提下,支原體疫苗的選擇應為弱毒活苗。
天氣炎熱,導致母豬不發情或發情不明顯;配種受胎率低;斷奶仔豬生長緩慢;哺乳仔豬死亡率高;蚊蠅難以控制。其應對措施如下:
1、降溫??刹捎玫嗡?、噴霧、風扇、沖洗、增加飲水、添加防暑藥物等方法進行降溫。
2、調整營養。夏季最易缺乏維生素,應在生豬不同飼養階段針對性地添加維生素,例如在空懷和后備豬料中添加維生素A和E,可減少母豬不發情的現象;通過在哺乳母豬料中添加高質量蛋白和脂肪以彌補采食量不足所導致的仔豬生長緩慢。
3、加強管理。一是增加母豬飼喂次數確保正常采食量,供給充足的飲水;二是加強懷孕后期臨產母豬管理以防造成損失;三是及早做好停電停水的應對工作,發現問題及時處理。
4、消滅蚊蠅。在使用滅蚊蠅藥物的同時,要對滋生蚊蠅的廁所、糞場、生活垃圾、雜草等進行徹底清理,確保環境衛生清潔。
5、常備防洪物資及飼料藥品。夏季易發生雷電及洪澇災害性氣候,為防患于未然,豬場應準備充足飼料,常備,如漂白粉、復合酚類、甲醛、高錳酸鉀、百毒殺等消毒藥及治療痢疾、寄生蟲、皮膚病等藥品。暴雨過后應及時進行生產自救,嚴防各種傳染病、寄生蟲病及胃腸道等疾病發生、流行。
豬流行性腹瀉是由病毒引起的仔豬和育肥豬的一種急性腸道傳染病。發病時間不分季節??砂l生于任何年齡的豬,年齡越小,癥狀越重,死亡率高。
豬流行腹瀉病毒 (PEDV),屬于冠狀病毒科 冠狀病毒屬。到目前為止,還沒有發現本病毒有不同的血清型。本病毒對乙醚、氯仿敏感。
各種年齡的豬都能感染發病。哺乳豬、架子豬或肥育豬的發病率很高,尤以哺乳豬受害最為嚴重,母豬發病率變動很大,約為15—90%。病豬是主要傳染源。病毒存在于腸絨毛上皮細胞和腸系膜淋巴結,隨糞便排出后,污染環境、飼料、飲水、交通工具及用具等而傳染。主要感染途徑是消化道。本病呈地方流行性。嚴重腹瀉引起脫水,是導致病豬死亡的主要原因。
潛伏期一般為5—8天。主要的臨床癥狀為水樣腹瀉,或者在腹瀉之間有嘔吐。嘔吐多發生于吃食或吃奶后。癥狀的輕重隨年齡的大小而有差異,年齡越小,癥狀越重。一周齡內新生仔豬發生腹瀉后3—4天,呈現嚴重脫水而死亡,死亡率可達50%,最高的死亡率達100%。病豬體溫正?;蛏愿?,精神沉郁,食欲減退或廢絕。斷奶豬、母豬常呈精神萎頓、厭食和持續性腹瀉大約一周,并逐漸恢復正常。少數豬恢復后生長發育不良。肥育豬在同圈飼養感染后都發生腹瀉,一周后康復,死亡率1%–3%。成年豬癥狀較輕,有的僅表現嘔吐,重者水樣腹瀉3—4天可自愈。
防治,本病目前無特效藥物用作治療,一般的治療方法為降低表征,但很難治愈。
預防,可采用腹瀉疫苗預防,但不同的場情應對免疫預防方案進行合理調整。同時該病受外界及多種因素影響,不能像偽狂、豬瘟等產生穩定的免疫效果,因此應合理選擇高效的免疫方案(正業“2+1”好方案)。
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