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🚨 A PREGNANT COW IS AN INVESTMENT IN PROGRESSπŸ„πŸ€° BOVINE GESTATION: WHAT HAPPENS INSIDE WITHOUT YOU SEEING ITGestation in ...
10/06/2026

🚨 A PREGNANT COW IS AN INVESTMENT IN PROGRESS

πŸ„πŸ€° BOVINE GESTATION: WHAT HAPPENS INSIDE WITHOUT YOU SEEING IT

Gestation in cattle lasts an average of:
πŸ‘‰ 280 days (approximately 9 months)

During this period, the cow’s body undergoes remarkable changes to support the development of a new life.

🧬 WHERE DOES IT ALL BEGIN?

Everything starts in the o***y:

β€’ An egg is released
β€’ It is fertilized by a s***m cell
πŸ‘‰ An embryo is formed.

The embryo then travels to the uterus, where it implants and begins its development.

🏠 THE UTERUS: THE KEY ENVIRONMENT

The image shows the uterus containing the developing fetus.

Functions:
βœ” Protects the fetus
βœ” Provides nutrients
βœ” Supports growth and development

πŸ‘‰ It is literally the calf’s living environment.

πŸ”’ THE CERVIX: TOTAL PROTECTION

The cervix remains tightly closed throughout pregnancy.

Functions:
βœ” Prevents the entry of bacteria
βœ” Keeps the fetus safe

πŸ‘‰ It only opens during calving.

πŸ”— LIGAMENTS AND SUPPORT

As the fetus grows:

β€’ The uterus increases in size
β€’ It shifts within the abdominal cavity

πŸ‘‰ The ligaments help support this increasing weight.

πŸ„πŸ‘Ά FETAL DEVELOPMENT

πŸ“… Early pregnancy:
β€’ Formation of major organs

πŸ“… Mid-gestation:
β€’ Structural growth and development

πŸ“… Late pregnancy:
β€’ Rapid weight gain

πŸ‘‰ More than 60% of fetal growth occurs during the final stage of gestation.

βš™οΈ CHANGES IN THE COW

During pregnancy:

βœ” Nutritional requirements increase
βœ” Metabolism changes
βœ” Mammary glands prepare for milk production

πŸ‘‰ Everything is focused on calving and lactation.

⚠️ CRITICAL POINTS

❌ Poor nutrition β†’ weak calves
❌ Diseases β†’ abortions and reproductive losses
❌ Stress β†’ reduced reproductive performance

πŸ‘‰ Poorly managed pregnancies can be very costly.

🧠 WHAT EVERY FARMER SHOULD UNDERSTAND

A pregnant cow requires:

βœ” High-quality nutrition
βœ” Adequate mineral supplementation
βœ” Proper health management
βœ” Low-stress handling

πŸ‘‰ A pregnant cow is not β€œjust another animal” in the herd.

Every healthy calf starts with a well-managed pregnancy.

Corneal Opacity in GoatsCorneal opacity is a whitish or bluish cloudiness of the cornea that can result from infection, ...
10/06/2026

Corneal Opacity in Goats

Corneal opacity is a whitish or bluish cloudiness of the cornea that can result from infection, trauma, ulcers, foreign bodies, vitamin A deficiency, or inflammation.

Clinical Signs

* Cloudy/white appearance of the eye
* Excessive tearing (epiphora)
* Squinting (blepharospasm)
* Sensitivity to light
* Redness of the conjunctiva
* Reduced vision in severe cases

Treatment

1. Treat the underlying cause
* Remove any foreign body if present.
* Treat corneal ulcers and infections promptly.

2. Topical antibiotics
* Oxytetracycline eye ointment
* Chloramphenicol eye drops/ointment
* Ciprofloxacin eye drops (if indicated)

3. Systemic therapy
* Long-acting oxytetracycline 20 mg/kg IM for infectious keratoconjunctivitis.
* NSAIDs such as meloxicam for pain and inflammation.

4. Supportive care
* Isolate affected animals if infectious.
* Protect from dust, flies, and direct sunlight.
* Ensure adequate nutrition, especially vitamin A.

Important
* Avoid corticosteroid eye preparations if a corneal ulcer is suspected, as they can worsen the lesion.
* Perform a fluorescein stain test before using steroid-containing eye medications.

Differential Diagnoses
* Infectious keratoconjunctivitis (pink eye)
* Corneal ulcer
* Corneal scar
* Uveitis
* Trauma
* Vitamin A deficiency

09/06/2026

POV:- I’m Future veterinarian
Cat:- Prove it

Abscess in cat:-An abscess in a cat is a pocket of infection and pus, most commonly caused by a bite wound from another ...
09/06/2026

Abscess in cat:-

An abscess in a cat is a pocket of infection and pus, most commonly caused by a bite wound from another cat. It can become serious if untreated.

Common signs:

* Swelling or a painful lump
* Warmth/redness over the area
* Pus, blood, or foul-smelling discharge
* Fever, lethargy, hiding
* Loss of appetite
* Limping if near a leg

Common locations:

* Head/cheeks
* Neck
* Base of tail
* Legs

What you should do:

1. Keep the cat indoors and calm.
2. Do not squeeze or puncture the swelling yourself.
3. If it has already burst, gently clean with warm saline or diluted antiseptic.
4. See a veterinarian as soon as possible β€” abscesses usually need:
* drainage,
* cleaning,
* antibiotics,
* and pain relief.

Emergency signs needing urgent care:

* Trouble breathing
* Severe swelling around the face/throat
* Not eating or drinking
* High fever/extreme weakness
* Large open wound
* Bad smell or black tissue

09/06/2026

Urolithiasis in Cattle πŸ„

Urolithiasis is the formation of urinary calculi (stones) in the urinary tract. It is most common in male cattle, especially steers and young bulls, because of their long and narrow urethra.

Causes

* High-grain diets with excess phosphorus
* Low calcium-to-phosphorus ratio (

09/06/2026

Arthritis Due to L*D (Lumpy Skin Disease) and Other Systemic Complications

Lumpy Skin Disease (L*D) is a viral disease of cattle caused by the L*D virus, a member of the Capripoxvirus genus. While skin nodules are the hallmark lesion, the disease can also cause significant systemic complications.

Arthritis and Lameness

Arthritis associated with L*D may occur due to:

* Direct viral involvement of joints and periarticular tissues
* Secondary bacterial infection following immune suppression or skin lesions
* Inflammation of tendons, ligaments, and synovial membranes

Clinical signs:

* Joint swelling (especially carpal, tarsal, and stifle joints)
* Pain on palpation
* Stiff gait and lameness
* Reluctance to move
* Reduced feed intake and body condition

Other Systemic Complications

πŸ”Ή Respiratory System

* Nasal discharge
* Pneumonia
* Dyspnea in severe cases

πŸ”Ή Reproductive System

* Temporary or permanent infertility in bulls
* Orchitis and testicular degeneration
* Abortion in pregnant cows
* Reduced conception rates

πŸ”Ή Mammary Gland

* Mastitis
* Decreased milk production
* Secondary bacterial infections

πŸ”Ή Lymphatic System

* Marked enlargement of superficial lymph nodes

πŸ”Ή Skin and Musculoskeletal System

* Deep skin necrosis (β€œsit-fast” lesions)
* Cellulitis
* Edema of limbs and brisket
* Chronic lameness due to joint involvement

πŸ”Ή General Effects

* Persistent fever
* Weight loss
* Depression
* Reduced productivity
* Death in severe or complicated cases

Treatment

Since L*D is viral, treatment is mainly supportive:

* NSAIDs (e.g., Meloxicam or Flunixin Meglumine)
* Broad-spectrum antibiotics to prevent or treat secondary bacterial infections
* Fluid and electrolyte therapy if needed
* Vitamin and mineral supplementation
* Proper wound management
* Soft bedding and restricted movement for animals with severe arthritis

Prevention

* Vaccination
* Vector control (flies, mosquitoes, ticks)
* Quarantine of affected

08/06/2026

Epidural Anaesthesia in Cattle

Epidural anaesthesia is commonly used in cattle to desensitize the tail, perineum, a**s, v***a, va**na, urethra, and caudal reproductive tract while the animal remains standing.

Indications

* Dystocia correction
* Fetotomy
* Cesarean section (supplementary analgesia)
* Treatment of va**nal or uterine prolapse
* Perineal surgery
* Tail amputation
* Urethral procedures

Site of Injection

The most common site is the sacro-coccygeal (S5-Co1) or first intercoccygeal (Co1-Co2) space.

How to locate:

* Raise and lower the tail repeatedly.
* Palpate the depression between the vertebrae where movement is felt most prominently.

Drugs and Dosages

Lidocaine (Lignocaine) 2%

* Low epidural: 5–10 mL (0.22–0.5 mg/kg)
* Provides analgesia of the tail, a**s, v***a, and perineum.
* Duration: approximately 60–90 minutes.

Procedure

1. Restrain the animal in a standing position.
2. Aseptically prepare the injection site.
3. Insert an 18-gauge, 3–5 cm needle at the chosen intervertebral space.
4. Advance until a β€œpop” is felt as the needle enters the epidural space.
5. Aspirate to ensure no blood or cerebrospinal fluid is obtained.
6. Slowly inject the anesthetic solution.

Types

Low (Caudal) Epidural

* Small volume (5–10 mL lidocaine).
* Blocks sensory nerves to the perineal region.
* Minimal effect on hindlimb motor function.

High Epidural

* Larger volumes spread cranially.
* May cause hindlimb weakness or recumbency.
* Used less commonly in adult cattle.

Complications

* Hindlimb ataxia or recumbency (especially with excessive volume)
* Accidental subarachnoid injection
* Infection if asepsis is poor
* Inadequate analgesia due to improper needle placement

08/06/2026

Umbilical Hernia in Cattle

An umbilical hernia is the protrusion of abdominal contents (usually intestine or omentum) through an opening in the abdominal wall at the umbilicus (navel).

Causes

* Congenital (hereditary defect)
* Failure of the umbilical ring to close after birth
* Umbilical infections (omphalitis)
* Trauma around the navel region

Clinical Signs

* Soft, painless swelling at the umbilicus
* Swelling may increase when the calf stands or strains
* Hernial contents may be reducible on palpation
* Large hernias can interfere with growth and movement
* Pain, heat, and irreducibility suggest incarceration or strangulation

Diagnosis

* Physical examination and palpation
* Determination of hernial ring size
* Ultrasonography can assess contents and adhesions

Treatment

Small hernias (

08/06/2026

Pneumonia in cat .
In cats, pneumonia often causes tachypnea (increased respiratory rate) due to inflammation and reduced oxygen exchange in the lungs.

Normal Respiratory Rate (Resting Cat)

* 20–30 breaths/minute (some references: up to 40 breaths/minute)

Abnormal Respiratory Rate Suggestive of Pneumonia

* >40 breaths/minute at rest: abnormal, warrants evaluation
* >60 breaths/minute at rest: significant respiratory distress
* >80 breaths/minute: severe respiratory compromise; emergency

Other Respiratory Signs of Pneumonia

* Increased effort to breathe (labored breathing)
* Open-mouth breathing (emergency in cats)
* Abdominal breathing
* Coughing (less common than in dogs)
* Nasal discharge
* Fever
* Lethargy and anorexia
* Cyanotic or pale mucous membranes in severe cases

Clinical Assessment

* Count the respiratory rate while the cat is resting or sleeping.
* Thoracic auscultation may reveal crackles or harsh lung sounds.
* Confirm diagnosis with thoracic radiographs, CBC, and, when indicated, airway sampling.

Lumpy Skin Disease (L*D) is a viral disease of cattle caused by the Capripoxvirus. It is transmitted mainly by biting in...
07/06/2026

Lumpy Skin Disease (L*D) is a viral disease of cattle caused by the Capripoxvirus. It is transmitted mainly by biting insects such as mosquitoes, flies, and ticks.

Clinical Signs

πŸ„ High fever (40–41Β°C)

πŸ„ Depression and reduced appetite

πŸ„ Enlarged superficial lymph nodes

πŸ„ Firm skin nodules (0.5–5 cm) all over the body, especially on the neck, head, udder, limbs, and perineum

πŸ„ Eye and nasal discharge

πŸ„ Swelling of legs and brisket

πŸ„ Reduced milk production

πŸ„ Infertility and abortion in severe cases

πŸ„ Secondary bacterial infections of skin lesions

Diagnosis

* Clinical signs and characteristic skin nodules
* PCR testing (most reliable)
* Virus isolation and serology

Treatment

There is no specific antiviral treatment. Management is supportive:

βœ… Broad-spectrum antibiotics to prevent secondary bacterial infection

βœ… NSAIDs/antipyretics (e.g., flunixin meglumine, meloxicam)

βœ… Antihistamines if required

βœ… Wound care with antiseptics

βœ… Fluid and nutritional support

βœ… Control flies, mosquitoes, and ticks

Prevention

πŸ’‰ Vaccination is the most effective preventive measure.

🦟 Implement vector control programs.

🚫 Isolate affected animals and restrict animal movement during outbreaks.

*D

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Bangladeshi Agricultural University
Mymensingh
2200

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