Spring weather is unpredictable, and the transition from green to yellow vegetation is not seamless. This period is particularly challenging for sheep, often referred to as the "March of March," where they are vulnerable to health issues. After a long winter, sheep have high nutrient demands, and if their diet isn't properly supplemented, they can become weak and underweight. It's crucial to restore their health quickly during this time.
Every year, from March to April, lambs born in spring need regular deworming. This includes eliminating both internal parasites and external pests, ensuring that all nutrients go toward growth and recovery. Modern formulations of ivermectin are widely used due to their efficiency, low toxicity, and broad spectrum. They effectively combat various nematodes and ectoparasites, and can even replace traditional dips for treating rickets.
Selenium deficiency is common in sheep and can lead to white muscle disease, which has a high mortality rate. Ewes lacking selenium may also experience retained placentas. Since selenium enhances the absorption of vitamin E, it’s best to supplement both together. A typical dose is 0.5 to 1.0 ml of selenite VE injection given intramuscularly.
Magnesium is essential for bone development. A lack of magnesium can cause hypomagnesemia, commonly known as grass staggers. Spring grass tends to be low in magnesium, so adding 2–5 grams of magnesium sulfate or magnesium acetate to drinking water helps prevent this condition. However, magnesium supplementation is generally unnecessary in other seasons.
Overconsumption of water and salt can hinder digestion and metabolic waste elimination. On average, each sheep consumes about 1 kg of dry feed and 2–3 kg of water daily. Clean, fresh water should always be available, with at least two to three refills per day. Avoid using gutter or pond water to prevent parasite infestations and poisoning.
The salt content in forage increases urine output, making sheep more eager for salt. If they don’t get enough, they may lose appetite, leading to poor growth in young sheep. Providing 10–15 grams of salt 2–3 times a week, either directly or mixed in water, helps maintain their health.
Preventing overeating is key during spring. Sheep that haven’t seen fresh grass all winter may overgraze when given access too soon. Young shoots can cause bloating and digestive issues. To avoid this, start grazing on shaded slopes first, then gradually move to sunny areas once the grass has matured.
Spring grass is often low in nutrients and high in moisture, which can cause bloat. It’s important to continue feeding hay and concentrate supplements as usual to balance their diet.
To prevent poisoning, keep sheep away from newly planted fields and wastelands. They may accidentally consume coated seeds, pesticide-contaminated grass, or corn and sorghum seedlings. These can be toxic and dangerous.
As temperatures rise in spring, pathogenic microorganisms multiply faster. Regular vaccination, disinfection, and early disease detection are essential. Use modern disinfectants like Weikang, Bactericidal, and Disinfection Wang, which are broad-spectrum, highly effective, and safe. Proper vaccination schedules must be followed based on vaccine characteristics to protect against diseases such as foot-and-mouth, sheep plague, lice, and enterotoxemia.
Magnesium Fluoride CAS No. 7783-40-6
Magnesium Fluoride Basic Information
Product Name: Magnesium fluoride
CAS: 7783-40-6
MF: F2Mg
MW: 62.3
EINECS: 231-995-1
Magnesium Fluoride Chemical Properties
Melting point 1248 °C
Boiling point 2260 °C
Density 3.15 g/mL at 25 °C(lit.)
Refractive index 1.365
Form random crystals
Color White to off-white
Specific Gravity 3.15
Water Solubility 87 mg/L (18 ºC)
Blood Plus Magnesium Fluoride,Fluoride Blocks Magnesium Uptake,Fluoride Reacts With Magnesium,Magnesium Fluoride
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