ANSC Feeds Practice Exam

How can dallisgrass toxicity in cattle be prevented?

1. By planting more grass varieties

2. By supplementing with shredded top parts of the forage plant

3. By limiting grazing time

4. With the addition of mineral blocks

The correct answer is: By supplementing with shredded top parts of the forage plant

The prevention of dallisgrass toxicity in cattle can effectively be addressed through proper management of the forage that cattle consume. Specifically, supplementing with shredded top parts of the forage plant is a strategy that helps mitigate the risks associated with toxicity. Dallisgrass can contain compounds that lead to toxicity in cattle when ingested in high amounts, especially during specific growth stages when the grass is young and lush. By providing shredded top parts of the forage plant as a supplement, farmers can ensure that cattle consume parts of the plant that are less likely to contain harmful levels of these toxic compounds. This approach not only reduces the risk of toxicity but also allows for a more controlled intake of the grass, promoting safer grazing practices. In contrast, other options like planting more grass varieties might diversify the pasture but does not specifically address the toxicity issue related to dallisgrass. Limiting grazing time may help reduce exposure but does not actively manage the risk of toxicity once cattle do graze. Lastly, adding mineral blocks mainly serves to fulfill nutritional deficiencies rather than directly preventing toxicity related to specific plant species. Thus, providing shredded top parts of the forage plant effectively targets the root of the problem, making it the most suitable preventive measure.