Nitrate Poisoning in Cattle By Travis Mays, Analytical Chemistry Section Head Recently, seventeen cows died within twenty-four hours after consuming new hay. All of the cows died within 100 yards of the hay. A sample of the hay, along with tissue … [Read more...] about Nitrate Poisoning in Cattle
bovine
Coffee senna linked to cattle deaths in Texas
Coffee senna linked to cattle deaths in Texas By Guy Sheppard, DVM and Cat Barr, PhD Since the onset of winter, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has seen quite a few cases of intoxication in cattle that have … [Read more...] about Coffee senna linked to cattle deaths in Texas
Chlorinated hydrocarbon and arsenic poisoning in cattle
Chlorinated hydrocarbon and arsenic poisoning in cattle By Travis Mays, Analytical Chemistry Section Head A herd of 14, six-month-old crossbred cattle was turned out into a new pasture. Within five days, five head died suddenly. An old barn with … [Read more...] about Chlorinated hydrocarbon and arsenic poisoning in cattle
Melanocytic Tumors in Cattle
Melanocytic Tumors in Cattle By Will Sims, DVM A biopsy from a 7-month-old cross breed bovine steer with a large mass was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in Amarillo. The mass had been surgically … [Read more...] about Melanocytic Tumors in Cattle
Cattle Nutritional Decline in the Winter
Cattle Nutritional Decline in the Winter By Guy Sheppard, DVM In early December, livestock submitted for necropsy at the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) in College Station demonstrated various signs of declining … [Read more...] about Cattle Nutritional Decline in the Winter
Bacillary hemoglobinuria in a cow
Bacillary hemoglobinuria in a cow By Andrés de la Concha-Bermejillo, DVM, MS, PhD The carcass of a female, 913 pound, 7-year-old Angus cow was submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy. History … [Read more...] about Bacillary hemoglobinuria in a cow
Nervous Coccidiosis diagnosed in a bull
Nervous Coccidiosis diagnosed in a bull By Jay Hoffman, DVM, PhD A 12-month-old crossbred bull was submitted to the Texas A&M Veterinary Diagnostic Laboratory (TVMDL) in College Station for necropsy. The clinical history indicated that this … [Read more...] about Nervous Coccidiosis diagnosed in a bull
Nitrate toxicity in a herd of cattle
Nitrate toxicity in a herd of cattle By Will Sims, DVM, MS A producer reported a sudden death loss of six head of cattle. Two of the animals were submitted to the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) for necropsy to … [Read more...] about Nitrate toxicity in a herd of cattle
Bacillary hemoglobinuria in feeder cattle
Bacillary hemoglobinuria in feeder cattle Jessie Monday DVM, MS & R.G. Helman, DVM, MA, PhD, DACVP A veterinarian was investigating the cause of increased non-respiratory disease mortalities in beef feeder cattle. The cattle were 100-200 days … [Read more...] about Bacillary hemoglobinuria in feeder cattle
Burn-pile leads to arsenic poisoning
Burn-pile leads to arsenic poisoning By Cat Barr, PhD Fifteen crossbred calves were placed in a pasture with a burn-pile. The day after they were provided with Johnson grass hay, one calf was found dead. Two days later, three calves were walking … [Read more...] about Burn-pile leads to arsenic poisoning
Listeriosis in a feed yard steer
Listeriosis in a feed yard steer By William Gilmore, DVM, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and … [Read more...] about Listeriosis in a feed yard steer
Neonatal Calf Health Issues
Neonatal Calf Health Issues By R. G. Helman, DVM, MA, PhD and Jessie Monday, DVM, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness … [Read more...] about Neonatal Calf Health Issues
Bovine Abortion Diagnostics find BVD
Bovine Abortion Diagnostics find BVD By Jessie Monday, DVM, MS With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary and … [Read more...] about Bovine Abortion Diagnostics find BVD
Bovine CBC reveals concurrent BLV and Anaplasmosis
Bovine CBC reveals concurrent BLV and Anaplasmosis By Julie Piccione, DVM, MS, DACVP An adult angus bull was presented to a veterinarian for lethargy and weakness. The bull died shortly after blood collection. Blood and tissue samples were … [Read more...] about Bovine CBC reveals concurrent BLV and Anaplasmosis
Blackleg (Clostridial myositis) in cattle
Blackleg (Clostridial myositis) in cattle By Jay Hoffman, DVM, PhD With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among veterinary … [Read more...] about Blackleg (Clostridial myositis) in cattle
Cattle herds recently diagnosed with Johne’s Disease
Cattle herds recently diagnosed with Johne's Disease By Guy Sheppard, DVM With over 800,000 tests run annually, TVMDL encounters many challenging cases. Our case study series will highlight these interesting cases to increase awareness among … [Read more...] about Cattle herds recently diagnosed with Johne’s Disease