Everyone is aware that although crude fiber in feed is not easily digestible, it still plays an essential role in animal nutrition. One of its main functions is to increase the volume of the feed, helping to fill the digestive tract and reduce hunger in animals like pigs and chickens. Studies have shown that when the crude fiber content in chicken diets is too low, it can lead to poor feather growth and behaviors such as feather pecking or licking. However, adding an appropriate amount of crude fiber can prevent these issues. This happens because the presence of fiber helps chickens feel full, reducing the urge to eat due to hunger and preventing spasms. Additionally, coarse fiber stimulates gastrointestinal movement, aids in waste elimination, and improves appetite and overall metabolic function.
But does that mean more crude fiber is always better? Not necessarily. Excessive crude fiber in feed can actually be harmful to the health and growth of livestock. High-fiber feeds are often rough in texture and less palatable, which can reduce feed intake. Moreover, crude fiber is difficult to break down and may interfere with the digestion of other nutrients by limiting their contact with digestive enzymes. For example, when crude fiber makes up 10%-20% of the diet, organic matter digestibility is around 72%. But when it increases to 40%-50%, this drops to just 54%. As a result, even though the volume of food is sufficient, the overall nutrient absorption decreases, leading to energy deficiency, poor growth, weight loss, and lower egg production in hens.
Therefore, the key is balance. There should be neither too little nor too much crude fiber in pig and chicken diets. According to practical experience, the ideal crude fiber content for chicken diets should not exceed 5%. For young chicks, the recommended range is 2.5%-3%, while for laying hens and breeders, it’s typically 3%-4.5%. For pigs, the maximum acceptable level is usually 15%-18%. Finding the right balance ensures optimal digestion, nutrient absorption, and overall animal health.
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Cardiovascular disease is a serious threat to human, It is a common healthy disease especially in the elderly over the age of 50, even if used the most advanced treatment, there is still have more than 50% of cerebrovascular accident survivors can not completely self-care, The world's annual deaths from the disease as high as 15 million people, ranking the first cause of death. Cardiovascular disease is the number one disease that threatens human health. Currently anti-cardiovascular disease drugs mainly include cardiac drugs, anti-angina drugs anti-heart rate disorders drugs, antihypertensive drugs, anti-hyperlipoproteinemia drugs. Drug therapy is only a means of prevention, The fundamental is prevent from the source. Cardiovascular disease, in addition to being affected by genetic factors, mainly is associated with unhealthy lifestyles. Also known as lifestyle sickness. So the establishment of a healthy and reasonable way of life is the key to prevention.
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