Posted by Dr. Brian Dorcey on July 13 2009 11:33

  What is it? Cryptosporidiosis (crypto), a disease affecting both animals and humans, is caused by the organism Cryptosporidium Not a bacteria or a virus... a protozoa Can affect mice, pigs, lambs, calves, dogs, cats, horses, and PEOPLE... so be careful!!! How does it cause diarrhea? Invades the lining of the gut, kills the cells that absorb nutrients  Diarrhea is caused by the lack of absorption of nutrients and subsequent loss of water into the gut leading to seconda... [More]

Posted by Dr. Sara Hooge on July 13 2009 10:52

Clostridium Many types Clostridium perfringens Most common type in young calves Types A, C, and D Causes  Normally in intestines Commonly found in soil Disease occurs when some change allows growth of the bacteria Overeating Change in weather Abnormal feeding schedules Abrupt diet changes Clostridium Produces gases and toxins Gas-causes bloating Toxins are poisonous to the tissues Damages the intestinal wall Decrease motility in the guts ... [More]

Posted by Dr. Steve Dudley on July 13 2009 08:19

Diagnosis Veterinarian involvement send a fecal into diagnostic lab get your veterinarian involved. Not all scours are the same. What is Lost? Energy, electrolytes, energy, etc. visual of calf with scours Assessing dehydration Visual of dehydrated calf and techniques to assess Bullet % dehydrated Bullet additional electrolyte needed Electrolyte Visual electrolytes and esophageal feeder Treatments Antibiotic and drug therapies Breaking the Cycle Prevention hygiene disinfectants... [More]

Posted by Dr. Sara Hooge on June 30 2009 08:47

Cryptosporidium (Crypto)   Cryptosporidiosis (crypto), a disease affecting both animals and humans, is caused by the organism Cryptosporidium Not bacteria or a virus...a protozoa Can affect mice, pigs, lambs, calves, dogs, cats, horses, and PEOPLE...so be careful!! How does it cause diarrhea? Invades the lining of the gut, kills the cells that absorb nutrients low nutrient absorption leads to water loss to gut leading to secondary milk fermentation and dehydration which results... [More]

Posted by Dr. Steve Dudley on June 26 2009 11:47

Calf huts Excellent facility to minimize contact between calves. Important to clean and disinfect huts between calves. Some types of huts do not ventilate well in the summer. Important to keep bedding clean and dry. Difficult to feed and manage calves in winter months. Cold barn Naturally ventilated with curtains and ridges. Barns over 40 ft long need a ridge. Recommend individual pens. Recommend solid, plastic paneling between calves. Fill barn within 2 weeks. All-in-all-out t... [More]

Posted by Administrator on June 26 2009 08:46

Trial A blind study will be performed to test the effectiveness of the Salmonella choleraesuis vaccine intranasally in 2-4 day old dairy calves. Mustard seed oil used to treat calves with signs of Salmonella??" Calves will be challenge on day 7 of the trial. Calves will be monitored 7-14 days post challenge. Length of time will be determined based on morbidity and mortality of the calves. Arrival Procedures Each calf will have their blood pulled and total protein tested. Each calf wi... [More]

Posted by Administrator on June 16 2009 13:06

Posted by Dr. Sara Barber on June 15 2009 12:06

  Cryptosporidium is an intestinal parasite that can affect many species. The calves become infected when they eat infectious oocysts (Crypto eggs) from feces or contaminated feed or water. The infected calves will shed large numbers of oocysts which can infect other calves. Crypto is very contagious and it only takes a few oocysts to infect a calf or a human. Calves infected with Crypto have diarrhea and can get very dehydrated. The diarrhea usually lasts for 5-10 days. Crypto generally ... [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 09 2009 13:17

Calves: Birth to Weaning Birth Dip navel in 7% iodine Individual ID Assure 4qts of colostrum consumed by 24 hrs old if calf fails to nurse on its own at first Castrate and dehorn Turn out to grass Implant with calf specific implant (Ralgro, or Synovex C) Never implant heifer or bull calves that may be used for breeding Vaccinate with Bovishield Gold or Titanium 5 Vision 7 or Vision 7 20/20 or Ivermax Weaning Booster Bovishield Gold VL5 or Titanium 5 VL5 i... [More]