Zinc is an essential trace element crucial for the health and development of livestock and poultry. It plays a vital role in various biological processes, including metabolism, immune function, and the maintenance of cell membrane integrity and reproductive health. A deficiency in zinc can lead to impaired growth, weakened immunity, and significant disruptions in reproductive performance across different species.
In pigs, zinc requirements vary depending on factors such as diet composition, feed type, and growth stage. High levels of calcium in the diet can interfere with zinc absorption, potentially leading to deficiency symptoms. Zinc deficiency in piglets may result in smaller, weaker femurs, while in sows, it can cause delayed estrus, infertility, and complications during pregnancy, such as miscarriages and stillbirths. Studies have shown that supplementing diets with specific minerals like copper, manganese, and zinc can improve reproductive outcomes, increasing litter size and weaning weights.
For ruminants like cattle, zinc is essential for both growth and reproduction. Deficiencies can lead to issues such as poor fertility, reduced milk production, and even structural problems in the reproductive organs. Research has demonstrated that adding zinc to the diet of Hereford cattle significantly improved calving rates, while other studies found that zinc supplementation helped cows with breeding difficulties achieve successful pregnancies.
In poultry, zinc deficiency affects egg quality and hatchability. Hens lacking zinc produce eggs with lower hatching rates and embryos that are weak or malformed. The addition of zinc to chicken diets is often necessary when calcium, phytic acid, or copper levels are high, as these can interfere with zinc absorption.
Zinc’s impact on reproductive function is multifaceted. It acts as a cofactor for over 200 enzymes involved in DNA, RNA, and protein synthesis, as well as hormone regulation. It also influences the endocrine system by supporting the pituitary gland and gonads, which control reproductive hormones. Additionally, zinc is critical for maintaining the structure of cell membranes, especially in reproductive tissues.
The recommended zinc levels in animal diets vary by species and life stage. For example, dairy cows require 40–80 ppm, while laying hens need 50–60 ppm. Common zinc supplements include zinc sulfate, zinc carbonate, and zinc chloride. Ensuring adequate zinc intake is essential for optimal reproductive performance and overall health in livestock and poultry.
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>1. Logo printed customized: at the back of the instruments etc.
>2. Distance customized: 40m, 60m, 100m, 150m.
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