When ponds warm up and drop in the June and July heat, cyanobacteria can bloom into a toxic scum that kills cattle…
In a dry summer the stock water gets more concentrated as it evaporates, and rising sulfates and total dissolved solids pull down…
Heat stress builds through the afternoon and only lets go overnight. When a run of hot days doesn't cool down after dark,…
Spread by ticks, biting flies, and dirty needles, anaplasmosis can smolder through a herd all summer before you notice the anemia. Here's…
Lush alfalfa and clover regrowth can blow a cow up in an hour. Here's how frothy bloat sets up on June pasture…
Standing water around tanks and gates sets cattle up for foot rot in early summer. Here's how to spot it early, treat…
Tall larkspur is one of the deadliest plants on Montana mountain range, and the danger climbs right when cattle move to summer…
Mid-June is when pinkeye starts showing up in Montana calves — a weepy eye, a squint, then a white spot in the…
When cereal hay and green chop grow under drought stress, nitrate concentrates in the lower stems and can kill cattle fast. Here's…
Low blood magnesium hits older cows nursing calves hardest, right when the grass looks its best. Here's how to spot it early…
Pneumonia isn't just a fall weaning problem. It hits unweaned calves on summer pasture, and the ones you notice are usually the…
Cyanobacteria in warm, calm stock ponds can kill cattle within hours of drinking. Here's how to spot the risk, when the danger…
Prairie rattlers come off the dens and spread across summer range by mid-June. A bite on the muzzle rarely poisons a cow…
Those silvery seedheads coming on in the low ground and the field edges aren't harmless. Foxtail barley awns work into gums, cheeks…
When ponds shrink and shallow wells go bad in a dry summer, dissolved salts and sulfates concentrate fast — enough to knock…
Cattle carry heat load for hours after the sun climbs, and the worst time to gather is the middle of a still,…
Anaplasmosis rides in on ticks, biting flies, and dirty needles, then hides for weeks before it drops your mature cows. June is…
Water hemlock hides in the wet bottoms and ditch banks where cattle water in early summer, and the roots carry enough toxin…
Foot rot moves fast on soft June ground, and the cow that was sound at turnout can be three-legged lame by the…
Vaccine you paid good money for quits working long before the label date if it rides on the dash or sits mixed…
Tall larkspur takes healthy cows on foothill and mountain pasture every summer, usually with no warning. Knowing when the plant is most…
Horn flies cluster on the backs and bellies of grazing cattle, feeding on blood dozens of times a day. Get control going…
Pinkeye shows up on Montana grass by midsummer, driven by face flies, dust, and cheatgrass awns. Here's how to knock down the…
Internal parasites quietly siphon gain off cattle grazing summer grass, and young stock pay the steepest price. A little planning in June…
When the wind lays down and the water warms up, cyanobacteria can scum over a reliable dugout and kill cattle within hours.…