A

Abdominal Enlargement

Kilham rat virus

Lymphocytic choriomeningitis virus

Murine leukemia viruses

Abortions and Stillbirths

Streptobacillus moniliformis

Abscesses

Cervical

Klebsiella pneumoniae

Pasteurella pneumotropica

Streptococcus pyogenes

Facial, orbital, and tail

Staphylococcus aureus

Preputial gland

Pasteurella pneumotropica

Staphylococcus aureus

Alopecia

(see Dermatitis and Alopecia)

Amputations, Necrotic, of Limbs or Tails

Corynebacterium kutscheri

Ectromelia virus

Mycoplasma arthritidis

Poxvirus(es) in rats

Ringtail

Streptobacillus moniliformis

Annular Constrictions of Tail

Ringtail

Anorexia

Corynebacterium kutscheri

Ectromelia virus

Klebsiella pneumoniae

Poxvirus(es) in rats

Ataxia

Kilham rat virus

Athymic (nu/nu) Mice, More Susceptible than Immunocompetent Mice to:

Chlamydia trachomatis

Encephalitozoon cuniculi

Giardia muris

Mouse cytomegalovirus

Mouse hepatitis virus

Pneumocystis carinii

Pneumonia virus of mice

Polyoma virus

Sendai virus

Spironucleus muris

Staphylococcus aureus

Syphacia sp.

Athymic (nu/nu) Mice, Equally or Less Susceptible than Immunocompetent Mice to:

Bacillus piliformis

K virus

Lymphocytic choriomeningitis virus

Mycobacterium avium-intracellulare

Mycoplasma pulmonis

Reovirus-3

Streptococcus pneumoniae

Athymic (nu/nu) Mice, Not Susceptible to:

Myobia musculi

Myocoptes musculinus

B

Birth Weight Reduced

Salmonella enteritidis

Sendai virus

C

Cervical Edema

Sialodacryoadenitis virus

Chattering (Mice)

Chlamydia trachomatis

Mycoplasma pulmonis

Sendai virus

Circling (or Rolling)

Kilham rat virus

Mycoplasma neurolyticum (experimental)

Pseudomonas aeruginosa

Streptobacillus moniliformis

Theiler's virus

Conjunctivitis

Ectromelia virus

Pasteurella pneumotropica

Salmonella enteritidis

Sialodacryoadenitis virus

Staphylococcus aureus

Streptobacillus moniliformis

Convulsions

Theiler's virus

Corneal Ulceration

Sialodacryoadenitis virus

Cyanosis

Chlamydia trachomatis

Haemobartonella muris

Salmonella enteritidis

Streptobacillus moniliformis

D

Deaths, High Mortality (greater than 50%) Possible

Bacillus piliformis

Citrobacterfreundii (Biotype 4280)

Ectromelia virus

Mouse hepatitis virus (infant mice)

Poxvirus(es) in rats

Salmonella enteritidis

Streptobacillus moniliformis

Theiler's virus

Deaths in Neonates

Mouse hepatitis virus

Sendai virus

Deaths Unlikely (in uncomplicated infections)

Aspicularis tetraptera

Encephalitozoon cuniculi

Entamoeba muris

Eperythrozoon coccoides

Giardia muris

Hantaviruses

H-1 virus

Hymenolepis nana

K virus

Lactic dehydrogenase-elevating virus

Minute virus of mice

Mouse adenoviruses

Mouse cytomegalovirus

Mouse thymic virus

Mycobacterium avium-intracellulare

Mycoplasma arthritidis

Mycoplasma collis

Mycoplasma muris

Mycoplasma neurolyticum

Pasteurella pneumotropica

Pneumocystis carinii

Pneumonia virus of mice

Polyoma virus

Pseudomonas aeruginosa

Radfordia affinis

Rat coronavirus

Rat rotavirus-like agent

Sialodacryoadenitis virus

Spironucleus muris

Syphacia sp.

Theiler's virus

Tritrichomonas muris

Deaths, Usually Low Mortality

Corynebacterium kutscheri

Haemobartonella muris

Kilham rat virus

Lymphocytic choriomeningitis virus

Mouse hepatitis virus

Mouse rotavirus

Mycoplasma pulmonis

Salmonella enteritidis

Sendai virus

Streptococcus pneumoniae

Dehydration (see Diarrhea)

Dermatitis and Alopecia

Due to Infectious Agents

Dermatophytes (fungi)

Ectromelia virus

Mouse papule virus

Myobia musculi

Myocoptes musculinus

Pasteurella pneumotropica

Staphylococcus aureus

Due to Noninfectious Causes

Bite (fight wounds)

Hair growth arrest

Muzzle alopecia

"Whisker trimming" ("hair nibbling," "barbering")

Diarrhea

Bacillus piliformis

Citrobacterfreundii (Biotype 4280)

Giardia muris (evidence uncertain)

Mouse hepatitis virus (infant mice)

Mouse rotavirus (infant mice)

Reovirus-3 (evidence uncertain)

Salmonella enteritidis

Spironucleus muris (evidence uncertain)

Draining Superficial Lymph Nodes

Klebsiella pneumoniae

Streptococcus pyogenes

Dyspnea

Chlamydia trachomatis

Cilia-associated respiratory bacillus

Corynebacterium kutscheri

Haemobartonella muris

Murine leukemia virus

Mycoplasma pulmonis

Sendai virus

Streptococcus pneumoniae

E

Emaciation

Lymphocytic choriomeningitis virus

Salmonella enteritidis

Streptobacillus moniliformis

F

Facial Abscesses

Staphylococcus aureus

Facial Edema

Ectromelia virus

G

Gestation Prolonged

Sendai virus

Growth Retardation

Cilia-associated respiratory bacillus

Citrobacter freundii (Biotype 4280)

Hymenolepis nana

Kilham rat virus

Lymphocytic choriomeningitis virus

Mycoplasma pulmonis

Rat rotavirus-like agent

Reovirus-3 (evidence uncertain)

Sendai virus

Sialodacryoadenitis virus

H

Head Tilt

Mycoplasma pulmonis

Pseudomonas aeruginosa

Theiler's virus

Hemoglobinuria

Haemobartonella muris

Streptobacillus moniliformis

Hunched Posture

(see Reluctance to Move)

Hyperexcitability

Theiler's virus

I

Inapparent Infections (Agents that usually cause subclinical or latent infections under natural conditions)

Aspicularis tetraptera

Bacillus piliformis

Corynebacterium kutscheri

Dermatophytes

Encephalitozoon cuniculi

Entamoeba muris

Eperythrozoon coccoides

Giardia muris

Haemobartonella muris

Hantaviruses

Hymenolepis nana

K virus

Kilham rat virus

Klebsiella pneumoniae

Lactic dehydrogenase-elevating virus

Leptospira interrogans serovar ballum

Lymphocytic choriomeningitis virus

Minute virus of mice

Mouse adenoviruses

Mouse cytomegalovirus

Mouse hepatitis virus

Mouse mammary tumor virus

Mouse rotavirus

J

Jaundice

Kilham rat virus

Mouse hepatitis virus (athymic mice)

Reovirus-3 (evidence uncertain)

K

Keratoconus

Sialodacryoadenitis virus

Kyphosis

Streptobacillus moniliformis

L

Litter Size Reduced

Kilham rat virus

Salmonella enteritidis

Sendai virus

Lymphadenopathy

Cervical

Klebsiella pneumoniae

Streptococcus pyogenes

Peripheral

Murine leukemia viruses

Myobia musculi

Myocoptes musculinus

M

Mastitis

Pasteurella pneumotropica

O

Ocular Discharge

Sialodacryoadenitis virus

P

Pallor (Anemia)

Haemobartonella muris

Streptobacillus moniliformis

Panophthalmitis

Pasteurella pneumotropica

Papular Rash

Ectromelia virus

Poxvirus(es) in rats

Paralysis of Rear Legs

Lactic dehydrogenase-elevating virus (in C58 and AKR mice)

Polyoma virus [in athymic (nulnu) mice]

Streptobacillus moniliformis

Theiler's virus

Photophobia

Sialodacryoadenitis virus

Streptobacillus moniliformis

Pododermatitis

Staphylococcus aureus

Polypnea

Cilia-associated respiratory bacillus

Corynebacterium kutscheri

Mycoplasma pulmonis

Streptococcus pneumoniae

Priapism

Streptobacillus moniliformis

Pruritis

Dermatophytes (fungi)

Myobia musculi

Myocoptes musculinus

Staphylococcus aureus

R

Rectal Prolapse

Citrobacter freundii (Biotype 4280)

Syphacia sp. (evidence uncertain)

Reluctance to Move (Animals often sit in hunched posture and have ruffled coats)

Bacillus piliformis

Chlamydia trachomatis

Ectromelia virus

Lymphocytic choriomeningitis virus

Mycoplasma pulmonis

Salmonella enteritidis

Respiratory Rales

Cilia-associated respiratory bacillus

Corynebacterium kutscheri

Mycoplasma pulmonis

Streptococcus pneumoniae

Ruffled Hair Coat

(see Reluctance to Move)

Runting

(see Wasting Syndrome)

S

Scrotal Cyanosis

Kilham rat virus

Self-Mutilation of Penis

Staphylococcus aureus

Skin Ulceration

Dermatophytes (fungi)

Myobia musculi

Myocoptes musculinus

Staphylococcus aureus

Sneezing

Klebsiella pneumoniae

Mycoplasma pulmonis

Sialodacryoadenitis virus

Snuffling

Cilia-associated respiratory bacillus

Mycoplasma pulmonis

Sendai virus

Sialodacryoadenitis virus

Streptococcus pneumoniae

Stunted Growth

(see Growth Retardation)

Subcutaneous Mass

Mouse mammary tumor virus

Swelling (Edema)

Feet and tail

Ectromelia virus

Poxvirus(es) of rats

Ringtail Streptobacillus moniliformis

Neck

Sialodacryoadenitis virus

Swollen, Reddened Joints

Corynebacterium kutscheri

Mycoplasma arthritidis

Streptobacillus moniliformis

T

Tremors

Theiler's virus

W

Wasting Syndrome

Mouse hepatitis virus [athymic (nu/nu) mice]

Polyoma virus [athymic (nu/nu) mice]

Weight Loss

Chlamydia trachomatis

Citrobacter freundii (Biotype 4280)

Corynebacterium kutscheri

Haemobartonella muris

Hymenolepis nana

Kilham rat virus

Mycoplasma pulmonis

Salmonella enteritidis

Sialodacryoadenitis virus

Streptococcus pneumoniae