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What is pig paralysis? An analysis of puzzling pig diseases

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[Cause] Due to dampness in the pigsty, combined with external contraction of wind-cold-damp pathogenic factors, the meridians and collaterals of the affected pig become stagnant, and the flow of qi and blood becomes sluggish and unsmooth. When blood stasis is not free, there is pain, leading to pain and numbness in the hindquarters. This disease mostly occurs in winter and spring. [Symptoms] It mostly comes on suddenly, starting first from the hind limbs and gradually spreading to the abdomen and even the whole body. The affected pig is lame, with local muscle pain, an arched back and restricted gait; some like to lie down and move reluctantly when driven, but as exercise time increases, the pain gradually eases. Generally, the affected area is tender to pressure, and body temperature is mostly around 38-39°C,

[Cause] Due to dampness in the pigsty, combined with external contraction of wind-cold-damp pathogenic factors, the meridians and collaterals of the affected pig become stagnant, and the flow of qi and blood becomes sluggish and unsmooth. When blood stasis is not free, there is pain, leading to pain and numbness in the hindquarters. This disease mostly occurs in winter and spring.

[Symptoms] It mostly comes on suddenly, starting first from the hind limbs and gradually spreading to the abdomen and even the whole body. The affected pig is lame, with local muscle pain, an arched back and restricted gait; some like to lie down and move reluctantly when driven, but as exercise time increases, the pain gradually eases. Generally, the affected area is tender to pressure, and body temperature is mostly around 38-39°C, while respiration and pulse increase slightly and appetite decreases. If not treated promptly, it often leads to paralysis and even death.

[Diagnosis] Clinically, arthralgia caused by wind is commonly seen. Its main symptoms are that wind is characterized by movement and wandering without a fixed location, so lameness occurs alternately in the four limbs. The main symptoms of cold arthralgia are that cold pathogens congeal the meridians and collaterals, causing obstruction of meridian qi, but the pain has a fixed location; when touched, the affected pig becomes restless and screams from pain, and the painful area is neither red nor swollen, with skin temperature low and cool. The main symptoms of damp arthralgia are that its nature is sticky, greasy, heavy and turbid, so the painful area is relatively fixed and often shows redness, swelling, heat and pain; the affected limb dares not bear weight, and the pig often lies on the ground unable to rise and has difficulty lifting its feet. Therefore, attention should be paid to distinguishing different symptoms and characteristics and adopting different treatment measures.

[Treatment] Treatment of wind arthralgia: use 10 grams of Xu Changqing (Cynanchum paniculatum), 8 grams of Yuanhu (Corydalis yanhusuo), 10 grams of Honghua (safflower), 10 grams of Fuzi (Aconitum carmichaelii), 10 grams of Fangfeng (Saposhnikovia divaricata), 10 grams of Qianghuo (Notopterygium incisum), 10 grams of Duhuo (Angelica pubescens), 9 grams of Chuanwu (Aconitum carmichaelii), and 6 grams of Caowu (Aconitum kusnezoffii), decoct in water and administer by drenching; recovery after 1 dose (dosage for an 80 kg pig).

Treatment of cold arthralgia: use 6 grams of Xu Changqing (Cynanchum paniculatum), 6 grams of Yuanhu (Corydalis yanhusuo), 8 grams of Honghua (safflower), 4 grams of Fuzi (Aconitum carmichaelii), 8 grams of Rougui (cinnamon), 6 grams of Mahuang (Ephedra sinica), 4 grams of Ganjiang (dried ginger), and 4 grams of Xixin (Asarum heterotropoides), and the pig recovers after 2 doses (dosage for a 40 kg pig).

Treatment of damp arthralgia: use 10 grams of Xu Changqing (Cynanchum paniculatum), 8 grams of fried Xuanhu (Corydalis yanhusuo), 8 grams of Honghua (safflower), 6 grams of prepared Fuzi (Aconitum carmichaelii), 8 grams of Cangzhu (Atractylodes lancea), 6 grams of Niuxi (Achyranthes bidentata), 6 grams of Fangji (Stephania tetrandra), 8 grams of Yiyiren (Coix lacryma-jobi), 8 grams of Dangshen (Codonopsis pilosula), 8 grams of Huangqi (Astragalus membranaceus), 10 grams of Chuanxuan (Dipsacus asper), and 6 grams of Sangjisheng (Taxillus chinensis); recovery after 1 dose (dosage for a 50 kg pig).

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