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Etiology and Pathogenesis: Bloat is an overdistention of the rumenoreticulum with the gases of fermentation, either in the form of a persistent foam mixed with the ruminal contents—called primary or frothy bloat, or in the form of free gas separated from the ingesta—called secondary or free-gas bloat. It is predominantly a disorder of cattle . . . → Read More: Ruminal Tympany in Dairy Cattle Cannulation of Rumen Dairy Cow Diagnosis: Usually, the clinical diagnosis of frothy bloat is obvious. The causes of secondary bloat must be ascertained by clinical examination to determine the cause of the failure of eructation. In life-threatening cases, an emergency rumenotomy may be necessary; it is accompanied by an explosive release of ruminal . . . → Read More: Control and Prevention of Frothy Bloat in Dairy Cattle Dairy Cattle Family At a time when many dairies are closing, Scott and Suzanne Wightman have expanded their organic dairy enterprise in Leongatha in Victoria’s Gippsland. The average annual rainfall is 1016 mm. Scott explains that the basic reason for their successful production is their focus on soil. This doesn’t mean that they . . . → Read More: Gippsland Dairy Cattle Farm Case Study
Dairy Cows Prolonged periods of wet conditions are pretty hard on dairy cattle and managers can expect more animal health issues to arise during these periods. Exposure to cold, under feeding, inconsistent milking practices, chronically wet feet and a high bacterial challenge from a muddy environment all add to . . . → Read More: Managing Dairy Cattle Health in Wet Conditions Dairy Cow Feeding large numbers of cows in extremely wet conditions is a daunting task. However, feeding and maintaining the pasture base are among the most important undertakings in ensuring a quick recovery once the wet period ends. To maintain and maximise pasture during wet periods focus on: grazing techniques, utilising . . . → Read More: Managing Dairy Cattle Feeding in Wet Conditions Dairy Cow Hoof Extremely wet conditions are associated with higher rates of lameness in dairy cows. Wet weather and floods wash away the fine materials in farm tracks or laneways exposing the larger stones and gravel pieces which have the potential to damage the cow’s hoof. Prolonged exposure to moisture causes the hoof . . . → Read More: Managing Dairy Cattle Lameness in Wet Conditions |
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