Posted by Administrator on June 12 2009 11:43

Calves Administered Product Dose Withdrawl   On Arrival Onset 2 cc IN 21 days     Bo-Se 3 cc SQ 0     Mycoplasma bovis 2 cc SQ 21 days     Excede 1 cc administered in ear 0     Weigh and tag       Day 2 SRP 1 cc SQ 60 days   Day 1-14 BMD Water Soluble 1 packet/100 hd once/day 21 days   Day 1-21 Crypto Relief 2 cc twice a day 0 ... [More]

Posted by Dr. Steve Dudley on June 12 2009 08:45

Cattle 2.27 mg per lb bdy wt - One Day Feeding Strength mg/lb Wt  #head lbs needed 1.96% 9016 1500 50 18.88 1.80% 8172 1400 50 19.44 0.72% 3273 900 323 201.62 0.60% 2727 900 323 241.98 0.50% 2270 900 323 290.70

Posted by Dr. Steve Dudley on June 11 2009 14:57

Respiratory Disease Clinical signs - The animal is usually depressed (moves slowly, hanging head, drooping ears, "knuckling" of hind fetlocks) and may also have: nasal or eye discharge - Clear nasal discharge does not necessarily indicate respiratory disease, and may be normal early in the morning or during dry/dusty conditions. sunken flanks - Decreased rumen fill indicates decreased feed intake. This may be used as supportive evidence that the animal has respiratory disease, but really indi... [More]

Posted by Dr. Steve Dudley on June 11 2009 14:34

Many factors contribute: Viruses, stress, dust, bacteria, and Mycoplasma.   Viruses IBR (Red nose) Most important cattle respiratory virus. Signs: Red nose, runny eyes and nose, depression and decreased intake. PI3 Causes disease in young Often combined with secondary infections to cause pneumonia. BRSV Usually causes disease in newly weaned cattle. Signs: Very high fever, watery eyes and nasal discharge. BVD Not considered a primary respiratory... [More]

Posted by Dr. Steve Dudley on June 11 2009 11:43

Systemic Antibiotics: Naxcel or Excenel – 2 cc/cwt per day for 4 days IM Withdrawal: No milk Excenel= 2 day slaughter, Naxcel = 0 slaughter Bovimycin – 2 cc/cwt per day for 4 days IM Withdrawal: 48 hrs (2 days) milk 14 day slaughter Polyflex 400 mg/ml – 1.25cc/cwt per day for 3-5 days IM Withdrawal: 48 hrs (2 days) milk 6 days slaughter Oxytetracycline 100 mg/ml – 4.5 cc/cwt IV or IM (Give IV very slowly) Withdrawal: 144 hrs (6 days) milk 35 days slaughter LA ... [More]

Posted by Dr. Steve Dudley on June 11 2009 10:50

All cows/heifers/bulls (i.e. ALL animals on the farm) need to be tested. Take an ear notch sample from each animal. Notch the ear at the bottom of the ear as per the following diagram. The ear notch needs to be small enough to fit into the container provided (about the size of the picture below). Place the notch in the container provided. These containers contain formalin. Make sure the notch is completely covered by formalin. Label the container with the ID of the animal tested. Containers ... [More]

Posted by Dr. Steve Dudley on June 11 2009 09:58

  Mycoplasma bovis is a significant emerging pathogen in cattle. There are several strains of Mycoplasma but the most common species that causes disease in cattle is Mycoplasma bovis. When we refer to Mycoplasma in this article we are referring to Mycoplasma bovis. Mycoplasma is a small organism that commonly causes pneumonia, mastitis, ear infections and/or joint problems in cattle. You may have a problem with Mycoplasma in your calves if you see head tilts, droopy ears, swollen joints, f... [More]

Posted by Dr. Steve Dudley on June 10 2009 16:34

  At entry: Synovex C or Ralgro (can start at 45 days of age) Day 50: Synovex S Day 150: Revalor S or Synovex Plus Day 250: Slaughter If it is going to be more than 250 days between entry and slaughter you have two options: Wait to put the first implant in. Implants are more important at the end of the growth period than at the beginning. Add another implant.  

Posted by Dr. Steve Dudley on June 10 2009 15:46

Definition: Foot rot is an infectious disease of cattle characterized by lameness and inflammation of the subcutaneous tissues in the foot. It is caused by trauma between the toes and subsequent bacterial infection. Clinical signs: Sudden onset of mild to severe lameness Swollen and painful foot Foul odor between the toes +/- elevated temperature Decreased appetite Decreased milk yield Loss of body condition Treatment: Local wound cleaning!!!! Systemic antibiotics Application o... [More]

Posted by Dr. Sara Hooge on June 10 2009 09:35

  Emerging disease in the cattle industry. Colonization of M. bovis in the calf. Risk Factors Mixed source calves Different age groups Young claves with exposure to other calves between 3 and 8 weeks of age Oral treansmission during transportation by commingling Presence of 1 positive animal in a group Late winter and early spring High moisture environment Antibiotic treatment research – Dr. Ricardo Rosenbush, Iowa State MIC determined by respiratory ... [More]