Source: SID: Sheep Production Handbook, 2002 (pp. 422-471)
Lambs: Birth to 3 weeks
Trauma/Injury
Stillborn/Weak/Dead lambs at birth
Dystocia
Hypothermia (Chilling)/Hypoglycemia (Low Blood Sugar)
Infectious Causes of Stillborn/Weak/Dead lambs at birth
Border Disease/Hairy Shaker Disease
Cache Valley Virus
Infectious Causes of Death in lambs born normal and dying in first 3 weeks
Clostridium perfringens type C (enterotoxemia, hemorrhagic enteritis, bloody scours)
Clostridium tetani (tetanus, lockjaw)
Enterotoxigenic Escherichia coli (E. coli scours, ETEC, 'watery mouth,' or 'rattle belly')
Respiratory Difficulty (pneumonia)
Diarrhea (scours)
Navel and Joint Ill
Lambs: 3 weeks to Weaning
Coccidiosis
Polyarthritis
White Muscle Disease (nutritional myopathy, vitamin E and/or selenium deficiency, stiff lamb disease)
Diarrhea caused by dietary changes
Enterotoxemia (pulpy kidney, Clostridium perfringens type D infection, 'overeating')
Lambs: Weaning to Maturity
Lactic Acidiosis (acidiosis, grain overload, 'overeating,' founder)
Urolithiasis (water belly, urinary calculi, calculosis)
Polioencephalomalacia (polio)
Salmonellosis (salmonella dysentery)
Pneumonia (pasteurellosis, shipping fever)
Rectal Prolapse
Copper Toxicity
Copper Deficiency (enzootic ataxia, swayback)
Club Lamb Fungus (ringworm, dermatophytosis)
Ewes
Around Lambing Time - Abortion & Stillbirth
Chlamydiosis (enzootic abortion of ewes, EAE)
Campylobacteriosis (vibriosis)
Taxoplasmosis
Salmonella abortions or Salmonellosis
Listeriosis
Leptospiriosis
Brucella ovis Abortion
Lambing Difficulty or Dystocia
Ringwomb (failure of the cervix to dilate)
Vaginal Prolapse
Uterine Prolapse
Retained Placenta
Mastitis
Weak or Down Ewes
Pregnancy Toxemia (pregnancy disease, twin lamb disease, lambing paralysis, ketosis)
Milk Fever (hypocalcemia, lambing sicknes, parturient paresis)
Grass Tetany (hypomagnesemia, lactation tetany)
Diseases Relating to the Ram
Epididymitis
Swelled Head (Clostridium novyi infection, malignant edema, 'big head')
Ulcerative Posthitis (pizzle rot, sheath rot)
Ulcerative Dermatosis (lip and leg, ovine venereal disease)
Heat Stress
Hernia
Flock Health Issues
Caseous Lymphadentitis (CLA, CL, contagious abscesses, boils)
Johne's Diesease (paratuberculosis)
Ovine Progressive Pneumonia (maedi, maedi/visna, 'hardbag')
Abosomal Emptying Defect
Bluetongue
Contagious Ecthyma (soremouth, orf)
Pinkeye (infectious keratoconjunctivitis)
Rabies
Scrapie
Copper Toxicity
Contagious Foot Rot
Benign Foot Rot (foot scald)
Foot Abscess (bumble foot)
Lambs: Birth to 3 weeks
Trauma/Injury
Stillborn/Weak/Dead lambs at birth
Dystocia
Hypothermia (Chilling)/Hypoglycemia (Low Blood Sugar)
Infectious Causes of Stillborn/Weak/Dead lambs at birth
Border Disease/Hairy Shaker Disease
Cache Valley Virus
Infectious Causes of Death in lambs born normal and dying in first 3 weeks
Clostridium perfringens type C (enterotoxemia, hemorrhagic enteritis, bloody scours)
Clostridium tetani (tetanus, lockjaw)
Enterotoxigenic Escherichia coli (E. coli scours, ETEC, 'watery mouth,' or 'rattle belly')
Respiratory Difficulty (pneumonia)
Diarrhea (scours)
Navel and Joint Ill
Lambs: 3 weeks to Weaning
Coccidiosis
Polyarthritis
White Muscle Disease (nutritional myopathy, vitamin E and/or selenium deficiency, stiff lamb disease)
Diarrhea caused by dietary changes
Enterotoxemia (pulpy kidney, Clostridium perfringens type D infection, 'overeating')
Lambs: Weaning to Maturity
Lactic Acidiosis (acidiosis, grain overload, 'overeating,' founder)
Urolithiasis (water belly, urinary calculi, calculosis)
Polioencephalomalacia (polio)
Salmonellosis (salmonella dysentery)
Pneumonia (pasteurellosis, shipping fever)
Rectal Prolapse
Copper Toxicity
Copper Deficiency (enzootic ataxia, swayback)
Club Lamb Fungus (ringworm, dermatophytosis)
Ewes
Around Lambing Time - Abortion & Stillbirth
Chlamydiosis (enzootic abortion of ewes, EAE)
Campylobacteriosis (vibriosis)
Taxoplasmosis
Salmonella abortions or Salmonellosis
Listeriosis
Leptospiriosis
Brucella ovis Abortion
Lambing Difficulty or Dystocia
Ringwomb (failure of the cervix to dilate)
Vaginal Prolapse
Uterine Prolapse
Retained Placenta
Mastitis
Weak or Down Ewes
Pregnancy Toxemia (pregnancy disease, twin lamb disease, lambing paralysis, ketosis)
Milk Fever (hypocalcemia, lambing sicknes, parturient paresis)
Grass Tetany (hypomagnesemia, lactation tetany)
Diseases Relating to the Ram
Epididymitis
Swelled Head (Clostridium novyi infection, malignant edema, 'big head')
Ulcerative Posthitis (pizzle rot, sheath rot)
Ulcerative Dermatosis (lip and leg, ovine venereal disease)
Heat Stress
Hernia
Flock Health Issues
Caseous Lymphadentitis (CLA, CL, contagious abscesses, boils)
Johne's Diesease (paratuberculosis)
Ovine Progressive Pneumonia (maedi, maedi/visna, 'hardbag')
Abosomal Emptying Defect
Bluetongue
Contagious Ecthyma (soremouth, orf)
Pinkeye (infectious keratoconjunctivitis)
Rabies
Scrapie
Copper Toxicity
Contagious Foot Rot
Benign Foot Rot (foot scald)
Foot Abscess (bumble foot)