Poultry Disease Clinical Signs PDF

 Signs of health Erect stance with head and tail elevated. Is the chicken laying eggs? Bright red comb and wattles Bright and alert eyes. Clean nostrils. Smooth, neat, clean feathers. General signs: Inactive; droopy wings; ruffled feather; sleepy or inactiv...

 Signs of health Erect stance with head and tail elevated. Is the chicken laying eggs? Bright red comb and wattles Bright and alert eyes. Clean nostrils. Smooth, neat, clean feathers. General signs: Inactive; droopy wings; ruffled feather; sleepy or inactive bird Respiratory signs  Coughing; Sneezing; Nasal & Ocular discharge Rales: Abnormal respiratory sounds Gasping: breathing with partially opened mouth especially in ILT , IB, LPAI H9, E coli, Asperigillosis Dyspnea: difficulty in breathing  Sinusitis: Swelling in the infra orbital sinus (Mycoplasma-Rimerella)  Viral ND, AI, ILT, IB, SHS. cause True resp. signs Diphtheritic form of Pox, MD cause False resp. signs Bacterial CRD, CCRD, E Coli, Fowl cholera; Infectious coryza Turkey coryza; Pullorum dis.; chlamydiosis Mycotic Aspergillosis (brooder pneumonia) Parasitic Syngamus trachea Nutritional Vitamin A deficiency Environmental Increase ammonia level in farm  Suspected Diseases Digestive signs Anorexia; (or off food General signs of diseases or inappetence) Drooling Saliva Clostridia, Candidiasis White Pullorum disease, IB, Mycotoxins, Visceral Diarrhea Gout It is sign of disease Bloody Coccidiosis and its color give Brownish Clostridia (necrotic & ulcerative enteritis) indication about the disease Sulfur like Histomonasis Frothy Hexamitiasis Profuse watery Gumboro Greenish Septicemic diseases as (ND, AI, E Coli) Undigested Reo virus infection food materials Nervous signs  Tremors: (spasm of group of Ms.)  Convulsions: (spasm of all body Ms.)  Ataxia: unbalance and unsteady walking  Paresis: (partial loss of movement), Paralysis.  ND; Paramyxovirus in pigeon; AI; AE; DVH; MD Viral (classical form) Fowl cholera (chronic form); Riemerella Bacterial Botulism (flaccid head paralysis); Listeriosis Mycotic Aspergillosis in old age Parasitic Avian malaria; Cestod in pigeon Nutritional selenium and Vitamin E ; B2; B1 deficiency Others Toxicity with ionophors causing nervous signs.  Opisthotonus: (spasm of the muscles causing backward arching of the head, neck, and spine) Duck viral hepatitis (DVH) Spirochetosis Torticollis What is torticollis? Torticollis, also known as wryneck, is a twisting of the neck that causes the head to rotate and tilt at an odd angle  ND  Fowl cholera  Beak pointed to the sky Head drawn backward Stargazing position Thiamin deficiency/ Mn deficiency  Riboflavin (B2)deficiency Curled toe paralysis  Lameness: inability or difficult in movement or abnormal movement. Swelling of joints: enlargement of joints. Weak & soft: (easily broken bone).  Arthritis caused by (Reo, E. coli, Salmonella, Joint Pasteurella, M. synovea, Staph, affection Strept, A. Gout) Rickets, Oestomalacia Due to Ca, Ph and vit D deficiency. Bone & (soft bones) tendon Slipped tendon (perosis) Due to Choline, Mn, Zn Biotin, Folic acid, due to nutritional Pyridoxine and Niacin deficiencies. affection deficiencies Viral arthritis Reo dis. (tenosynovitis) Bumble foot (caseous due to E coli, M. synovial, staph. Aureus. materials in foot bad) Nerve affection MD, Vit B2 deficiency Muscles affection Gangrenous dermatitis ( Cl. Septicum) Irritant drugs as streptomycin, Tylosin and Spiramycin White muscle disease (Vitamin E and Selenium deficiency) Curled toe paralysis Slipped tendon (Achilles) Lateral and backward leg extension Examined site Clinical signs diseases Head All septicemic diseases as ND, AI, Cyanosis FC, Spirochetosis, Coli septicemia, Sal. Swollen head F.C, I Coryza, Mycoplasma, SHS (E coli+ Pneumo virus), Vit E Deficiency Comb & Wattle Wart like nodules Pox (Dry form) Grayish white bran like area Ring worm (favus)  Cyanosis All septicemic diseases (ND,…….etc) Comb & Sever paleness Parasitic infestation, long standing dis. (MD, Leucosis, TB, CCRD), coccidiosis Wattle Swollen wattle& enlargement FC (wattle form) Laceration & scars Cannibalism Infraorbital sinus Filled with exudates I. sinusitis, TRT in (turkey) Swollen (Facial edema) Owl head shape I. Coryza, SHS, Vit E↓ (exudative diathesis) Nostril Discharge All resp. dis.( ND, IB, AI, ILT, Coryza…etc) Wart nodules Pox (Dry form)  Rubbery (soft) Vit. D, ph, Ca deficiency (Rickets) in young Beak Crusty grayish scab like at beak angle Pantothenic acid & biotin deficiency Wart nodules on beak angle Pox (Dry form), toxicity with trichothecene  Conjunctivitis & IB, AI, ND, ILT (hemorrhagic), CRD Eye lacrimation Vit. A def.(kerato – conjunctivitis with cheesy exudates) Chlamydiosis (edema in eye lid), E coli (panophthalmitis), Aspergellosis (yellowish cheesy exudates)under 3rd eyelids Increase ammonia concentration Pupil (grayish iris) Marek's dis. (ocular form) Opacity (blindness) AE, Salmonella (Arizona) in turkeys Crop Empty Starvation Impacted Clostridia, Candidacies, MD, litter eating Pendulous MD  Emaciation Nutritional def., long standing dis., Body aspergillosis, candidiasis, favus, gizzard impaction. Stunted & runted (bad Reo virus, reticuloendotheliosis, Niacin def. growth) Cestode& nematods, red mite E coli, Sal.,Mycoplasma, candidiasis Broken + skin injuries Cannibalism Feather Poor feathering Folic acid def. Loss Mite Helicopter shape Reo virus Ruffled feather Parasitic diseases Skin Gangrenous dermatitis Staph., clostridial infection, CIA virus Small nodules at feather follicles MD (cutaneous form) Skin Small hg. Spots Ext. parasite as tick infestation Congested (red) of all skin Erysipelas Scabs & fissured skin Pantothenic acid def Paratyphoid in pigeon M. synoviae  Slipped tendon Def. of Mn, choline, folic acid, biotin, Legs Pantothinic acid Curled toe paralysis Vit. B2 def. Greenstick (easily broken Ca, ph, Vit.D def. bone) Hgs on shank AI Legs Dry scales on shank Scaly leg mite, Foot abscess Bumble foot (staph) Crakes skin on foot (fissured) Pantothinic acid; biotin def Thickening in the wall of legs Osteoporosis Arthritis /or synovitis Staph, M. synoviae, Salmonella, E coli, FC, Reo