Cattle Diseases

BLAD (bovine leukocyte adhesion deficiency)

inability to fight infection

Syndactylism (Mule foot)

High mortality rate; connects the toes creating one toe

Limber legs

Incompletely formed muscles, ligaments, joints, tendons

Rectovaginal constriction

males-anal stenosis

females-vaginal constriction

Mastitis

California Mastitis Test (CMT), Somatic Cell Count (SCC)

-Grade A limits per mL

-Ca 600,000, US 750,000

Strep, Staph most common

Environmental (E. coli)

Anaplasmosis (ticks)

protozoa that destroys rbcs

jaundice, abortion, neonatal isoerythrolysis (calves sensitive to antibodies)

Anthrax

bacteria in soil

depression, reluctance to move, temp. of 107˚F, rapid breathing congested membranes, death->blood from orifices

Blackleg (Clostridial)

inflamed muscles, toxemia, gassy swelling under skin, dragging leg

Soil and intestinal tract

Brycellosis (Bang's), Undulant Fever

zoonotic, Veterinarian vaccinated

abortion after 5th month of pregnancy or orchitis

Calf Diphtheria

Fusobacterium necrophorum(same as foot rot)

Foot and Mouth Disease

vesicles on the mouth, feet, udder

highly contagious

Johne's Disease

Diarrhea and emaciation

thickening or folding of intestinal wall

semen, milk, feces, placenta

Leptospirosis

affects kidney, liver, and repro tract

jaundice, abortion, wine-colored urine

zoonotic, dogs, pigs also

Lumpy Jaw (Actinomycosis)

sharp objects

infection of the jaw that causes proliferation

Wooden Tongue (Actinobacillosis)

sharp objects

Mad Cow Disease (BSE)

prion

bonemeal

Creutzfeldt-Jacob and kuru

Pinkeye

ulceration of the eye, tears, photophobia->blindness

Flies and dust

Pneumonia

infection concentrated in the lungs

labored breathing, nasal discharge

Malignant Edema (Clostridial)

swelling in muscles-crackling sound

Entrance through cuts and scratches

Red Water Disease (Clostridial)

breakdown of hemoglobin

blood tinged urine and jaundice

Shipping Fever

stress from vaccination, castration, dehorning, weaning, and shipping

Trichomoniasis

abortion at 2-4 months

venereal disease

Tuberculosis

zoonotic

respiratory disease

Vibriosis

zoonotic

abortion

Campylobacter fetus fetus (venereal), Campylobacter fetus venearalis (ingestion, placenta), Campylobacter jejuni

Hair Foot Warts

Lameness

Infectious Bovine Rhinotracheitis (IBR, Red Nose)

BHV-I

abortion and infection of the upper airway and trachea

Bovine Respiratory Syncytial Virus

nasal and lacrimal discharge, elevated respiration, cough

Bovine Viral Diarrhea (BVD)

abortion and diarrhea

Cryptosporidiosis

affects calves 1-4 weeks old

Scours (diarrhea)

zoonotic

Lice

wingless flattened insects

sucking louse, biting louse have bigger heads

neck, back, face, and utter

Mites (mange)

- chorioptic and sarcoptic

- pruritus, alopecia

Coccidiosis

protozoa

Bloody diarrhea

Nematodes (roundworms)

- Ostertagia ostertagi

- Diarrhea, weight loss, anemia

Ringworm

fungus

Crusting and alopecia