Bovine integument Flashcards
Lice affects what cattle
All ages and production
High stocking density
Feedlots
Stress
Poor nutrition
Biting and sucking lice
Adults and nits
Species specific
Signs of lice on cattle
Pruritus
Constant grooming
Trichobezoars
Alopecia
Decreased milk production
Weight loss
Treatment of lice on cattle
Avermectins
Sucking lice
Permethrin
Biting lice
Back rubs
Oil, powder
Dermatophytosis (“Ringworm”) symptoms in cattle
Pruritis
Round areas of hyperkeratosis, alopecia especially face and eyes- “Goggles”
Zoonotic!
Treatment of lice on cattle
Benign neglect
Topical treatment
Anti-fungal
Fluoride toothpaste
Squamous Cell Carcinoma (“Cancer Eye”) on cattle is
Mature cattle lacking pigment around eye
Hereford
Holstein
Simental
Symptoms of squamous cell carcinoma in cattle
Mild blepharospasm
Epiphora
Ulcerated mass
Nictating membrane
Conjunctiva
Eyelids
Treatment and prevention of squamous cell carcinoma in cattle
Treatment
Surgical excision or eye enucleation if more extensive
Curative in early cases
Cull if invasive
Metastatic
Prognosis dependent on size, invasiveness
Prevention
Breed cattle with pigmented skin around eyes.
Papillomatosis (“Warts”) in cattle is
Bovine papilloma virus
Direct contact
Indirect contact
Feeders, waters, etc
Young cattle
Treatment and prevention of warts on cattle
Treatment
Benign neglect
Surgical removal
Penis
Prognosis Excellent
Prevention
Vaccine
Limit contact of naïve animals with affected animals