[ الصفحة الرئيسية ] [ السيرة الذاتية ] [ ألبوم الصور ] [ صفحة المعلومات ] [ المواقع المفضلة ] [ أحصل على البرامج مجاناً ]

 

Important signs in sick calves
from 1st to 4th week of life

(17)


Visible symptoms15.jpg (24008 bytes)

  • Umbilical abscess, umbilical hernia:
    In both conditions there is a sac-like extension of the skin above the navel.

Examination

  • Check abdominal wall: In umbilical hernia there is a hole in abdominal wall.

  • Intestinal loops palpable.

  • Umbilical abscess: hot and painful.

Diseases that may be involved

  • Umbilical abscess.

 (18)

 

calf01.jpg (28160 bytes) Visible symptoms

  • Trichophytosis (ringworm) in the sucking calf 
    (round bald patches, initially reddened, later asbestos-like crusts)

Examination

  • No itching.

  • Demonstration of pathogen possible in the laboratory.

Diseases that may be involved

  • Trichophytosis

(19)

 

calf02.jpg (21874 bytes) Visible symptoms

  • Infestation with lice (bald areas; sucking sites and lice visible)

Examination

  • Itching.

  • Collect hairs for microscopic examination for nits.

Diseases that may be involved

  • Infestation with lice.

(20)

 

Visible symptomscalf03.jpg (27312 bytes)

  • Incipient mange on the head (irregular bald, raised areas with scaband crust formation).

Examination

  • Itching.

  • Skin scrapings for demonstration of mites in the laboratory.

Diseases that may be involved

  • Mange.

(21)

 

Visible symptomscalf04.jpg (23013 bytes)

  • Subdermal abscess.
    (Circumscribed boil-like distension; site of puncture or other injury sometimes visible).

Examination

  • Palpation: (initially painful, increasingly hot).

  • Wobbling: (accumulation of fluid under the skin, usually not displaceable).

Diseases that may be involved

  • Abscess.

  • Haemorrhage.

(22)

 

Visible symptomscalf05.jpg (23301 bytes)

  • Bald patches on the thighs as a result of protracted diarrhoea.

Examination

  • Check faeces

  • Bacteriological and parasitological examination of faeces for the
    demonstration of salmonellosis and parasites.

Diseases that may be involved

  • Rota / corona / coli infection.

  • Late sequelae of salmonellosis.

  • Nutrition-induced diarrhoea.

  • Worm infestation.

(23)

 

Visible symptomscalf06.jpg (26960 bytes)

  • Sucking of navel.
    (Bald skin patches around the umbilicus; sac-like extension due to sucking).

Examination

  • Differentiation from umbilical abscess and umbilical hernia by manual examination of the navel.

  • Checking abdominal wall.

Diseases that may be involved

  • Navel-ill.

  • Umbilical abscess.

  • Umbilical hernia.

(24)

 

Visible symptomscalf07.jpg (25001 bytes)

  • Normal faeces.
    (1st week of life: yellow to light brown colour, consistency pappy to greasy/fatty and viscous, without solid components).

Examinationcalf10.jpg (16508 bytes)

  • First faeces after birth: (greenish-black, viscous; formed by the calf before birth and usually excreted on the first day).

Diseases that may be involved

  • No diseases that's a normal case.

(25)

 

Visible symptomscalf08.jpg (25889 bytes)

  • Soft faeces on change-over to milk substitutes, colour yellow to grey.

  • Take-up of hay or straw; greasy/fatty, paste-like consistency, with solid components.

Examination

  • Checking the faeces.

  • Physical examination.

  • Take the temperature.

Diseases that may be involved

  • Scours of sucking calfs.

  • Nutrition-induced diarrhoea.

(26)

 

Visible symptomscalf09.jpg (22005 bytes)

  • Constipation.
    (hard faeces in the form of small balls or pellets).

Examination

  • Increased body temperature.

  • Inadequate fluid intake.

Diseases that may be involved

  • Febrile conditions.

(27)

 

Visible symptomscalf11.jpg (24687 bytes)

  • Incipient diarrhoea in the first week of life.
    (Aqueous with undigested coagulated milk constituents; admixture of blood).

Examination

  • Increased temperature is possible.

  • Examination of faeces.

Diseases that may be involved

  • Rota / corona / coli infection.

(28)

 

Visible symptomscalf12.jpg (24775 bytes)

  • Faeces in salmonellosis.
    (mucoid, thin, malodorous; admixture of blood, grey to dark grey; off-white mucoid flakes (Fibrin)).

Examination

  • Increased temperature (41°C).

  • Bacteriological examination of faeces.

  • Test for resistance.

Diseases that may be involved

  • Salmonellosis.

(29)

 

Visible symptomscalf13.jpg (28980 bytes)

  • Faeces in nutrition-induced diarrhoea.
    (thin, malodorous with bubbly, foaming constituents 
    (fermentation diarrhoea)).

Examination

  • Initially temperature not increased.

  • Check feed and feeding.

Diseases that may be involved

  • Nutrition-induced diarrhoea.

  • Putrescent and fermentation diarrhoea.

(30)

 

Visible symptomscalf14.jpg (24335 bytes)

  • Normal joints.
    (dry, well contured, strong with straight posture).

Examination

  • Palpation of the joints.

  • Walking the animals to detect any lameness.

Diseases that may be involved

  • No diseases that's a normal case.

(31)

 

Visible symptomscalf15.jpg (23345 bytes)

  • Swollen joints.
    (enlarged compared with normal joints or with the joint on the other side).

  • Lameness.
    (the calf doesn't rise when the animals are roused).

Examination

  • Palpation for increased heat and painfulness.

  • Examination of the navel.

  • Checking for signs of diarrhoea.

Diseases that may be involved

  • Salmonellosis.

  • Septicaemia of newborn calves.

  • Umbilical infection.

(32)

 

Visible symptomscalf16.jpg (26558 bytes)

  • Abnormal leg posture (over-extension of the feet).
    (the calves are unable to stand and find it difficult or
    even impossible to drink unaided).

Examination

  • physical examination

Diseases that may be involved

  • Congenital postural anomalies.

[ التالي ] [ الفهرس ] [ السابق ]