Posted by Dr. Brian Dorcey on June 09 2009 12:29

Study I Implant data for suckling calves in Saskatchewan, Canada Test Animals: Cross bred steer and heifer beef calves Number of Study Calves: 158 total; 79 RALGRO, 79 No Implant Implant Date: May 5, 1999 Final Weight Date: October 13, 1999 Test Group Days on Test Average Initial Weight Average Final Weight Weight Gain Average Daily Gain RALGRO 161 183.6 616.4 432.7 2.69 No Implant 161 184.6 601.8 417.2 2.59 Advantage: 15.5 lbs Discussion Calves impl... [More]

Posted by Dr. Steve Dudley on June 07 2009 00:00

Presynch (fresh cows) Day 1: Lutalyse Day 14: Lutalyse Day 28: GnRH Day 35 am: Lutalyse Day 37 pm: GnRH Day 38 am: Breed Sunday Monday Tuesday Wednesday Thursday Friday Saturday   Lutalyse                           Lutalyse                           GnRH         ... [More]

Posted by Dr. Steve Dudley on March 13 2007 00:00

Symptoms (some or all of the following can occur) Bloated calf (generally less than 3 months old), diarrhea, lethargic, “watery” belly (belly seems full of fluid on the bottom), sudden death NOTE: Most Clostridial infections occur in the first three weeks of age. Medications (based on 100# calf): 10 cc Aqueous Penicillin orally once/day for three days 10 cc Aqueous Penicillin SQ once/day for three days 10 cc CABB orally once/day for 3-5 days 10 cc Clostridium C and D Antitoxi... [More]

Posted by Administrator on February 13 2007 09:52

Calf Pneumonia Causes Prevention Treatment Keys to Respiratory Health Emphasis on prevention Ventilation and Sanitation Separate younger calves from older calves Treat early Treat with appropriate antibiotics Use anti-inflammatories with antibiotics  Causes of Pneumonia Viral BVD PI3, BRSV and IBR Bacterial Pasteurella Haemolytica/Multocida Mycoplasma Preventing Pneumonia BVD Screen for persistently infected heifers Ear no... [More]

Posted by Dr. Sara Barber on June 13 2006 16:28

Weaning is a Stress No vaccines within one week of weaning No feed change within one week of weaning No dehorning/castrating/implants at weaning When to Wean? When the calf is eating 1.5-2 pounds of calf starter 5-6 weeks of age Decreasing milk One week pre-wean switch the calves to once a day milk (normal amount and concentration) Water  Free choice water needs to be available at all times Clean water Carry extra buckets and exchange clean for dirty (wash buck... [More]

Posted by Dr. Sara Barber on June 13 2006 09:09

Fluid Therapy Options Authored By: Dr. Sara Barber Baby Calves and Dehydration Calves dehydrate quickly Dehydrate from heat, scours, pneumonia Bottom Line: All sick calves need fluid therapy How much fluid does the 90 lb calf need? Sick calf with no signs of dehydration: 5% dehydrated 2 liters deficient Calf with positive skin tent: 7% dehydrated 3 liters deficient Calf with sunken eyes: 9% dehydrated 3.5 Liters deficient Fluid Deficien... [More]

Posted by Dr. Steve Dudley on January 12 2005 00:00

Calf Barn Checklist 1. Maternity Area and Colostrum Management Key Points: How clean/well-bedded is the maternity area? How long does calf remain with cow? Is calf allowed to nurse colostrum from cow? How much colostrum is fed and at what time interval? Are any vaccines given at birth? (Example: Calf Guard, E-colizer) 2. Calf Housing Key Points: How clean/dry is the calf housing Describe air quality Temperatue Humidity (Goal is <65%) What is the sanitation pr... [More]

Posted by Dr. Sara Rose on February 24 2004 11:38

The Traditional Feeding Program One pound of milk replacer into a gallon of warm water Two quarts fed twice/day What type of growth can we expect on this program? What do you get from a traditional feeding program? 20-20 Milk Replacer 2088 kcal/day Maintenance Needs on an 80# calf at 50 degrees = 1440 kcal/day So that leaves 648 kcal for disease fighting and growth Under ideal conditions (50 degrees and healthy) Average Daily Gain 0.66# on milk replacer alone Why were these p... [More]