Plasma Consumables Compatible for Thermal Dynamics
EDAWELD Co., Ltd. professional production Plasma Consumables Compatible for Thermal Dynamics.
Plasma Consumables Compatible for Thermal Dynamics,PCH-20 Electrode and Nozzle,PCH-102 Electrode and Nozzle,XT301 Electrode and Nozzle EDAWELD COMPANY LIMITED , https://www.jsedaweld.com
Main model have PCH-20,PCH/M-102,SL60,SL100,PCH/M-120,XT301 Electrode,Nozzles and Shields.
Edaweld main variety of high-quality plasma cutting accessories, we rely on the good reputation of the company as well as professionalism, we are trustworthy!
The reproductive performance of sows is influenced by several factors, including genetics, nutrition, disease, environment, and management. In recent years, with the advancement of nutritional science, research has shown that nutrient regulation can significantly improve sow fertility. Studies have revealed that almost all vitamins play a crucial role in the reproductive health of breeding pigs. The following are some key vitamins that greatly affect sow reproduction:
Vitamin E is closely linked to reproductive function. It stimulates the production of hormones such as thyrotropin (TH), adrenocorticotropic hormone (ACTH), and gonadotropin, which enhance ovarian activity, increase follicle count, and promote the development of luteal cells. Supplementing sows' diets with vitamin E not only improves conception rates, reduces fetal mortality, and increases litter size, but also boosts piglet resilience, lowers pre-weaning mortality, shortens the weaning-to-estrus interval, and enhances boar semen quality. Research indicates that sows receiving high levels of vitamin E have more litters and a lower incidence of mastitis-metritis-agalactia syndrome (MMA). A deficiency in vitamin E can lead to reduced ovarian function, irregular estrous cycles, infertility, abnormal embryo development, or stillbirths.
Folic acid plays a vital role in maintaining reproductive performance and supporting early fetal development. As a coenzyme in various enzyme systems, it is essential for DNA and RNA synthesis. Folic acid helps increase litter size, supports lactation, and prevents lactation issues. According to studies, adding folic acid to sow diets improves embryo survival and consistently increases litter size.
Beta-carotene supplementation in sow feed can improve litter size, correct delayed estrus and ovulation, and boost embryo survival. It is also involved in the synthesis of lutein, and its deficiency may lead to pregnancy loss. Recent findings show that beta-carotene added to boar feed can enhance testicular development and improve semen quality. However, vitamins A and carotene are sensitive to oxidation, especially under moist heat conditions or when exposed to trace elements and rancid fats.
Vitamin A, when properly supplemented, can increase litter size and the number of weaned piglets. A deficiency in vitamin A can result in low conception rates, irregular estrus, dystocia, miscarriage, stillbirth, weak or deformed fetuses, and increased neonatal mortality due to respiratory and digestive issues. Young sows may experience delayed estrus and poor ovarian development, leading to higher embryo mortality.
Biotin supports hoof health, prevents lameness, and promotes fetal growth. It also increases ovulation and conception rates, reduces stillbirths, and improves milk production. Studies show that biotin supplementation can increase the length of the uterine horn by 20%, providing more space for fetal development. Adding 300 mg of biotin per ton of feed has been found to significantly increase the number of weaned pigs.
Vitamin C is important in cellular redox reactions and adrenal steroid synthesis. It helps reduce stress and improves sperm quality in boars. Sows supplemented with vitamin C during pregnancy and lactation show better conception rates and lower piglet mortality. Piglets rely on their mother’s milk for vitamin C in the first week of life.
Riboflavin (vitamin B2) has been shown to increase live embryos, embryo survival rate, and litter size when fed at 4 mg/day. Tilton (1991) confirmed that 90–100 mg/day of riboflavin in early pregnancy significantly improves littering rates.
Vitamin K, when added at 100 mg/kg, increases litter size by 5.66% in pregnant sows and improves piglet weight gain and survival in lactating sows.
Vitamin B6, when added at 15 mg/kg, can reduce the weaning-to-estrus interval by 1.1 days.
Niacin, at 33 mg/kg, can reduce the incidence of metritis-mastitis-milk-free syndrome by 30%.
Vitamins are highly unstable and can be easily degraded by environmental factors like heat, humidity, light, and certain feed components. During processing, storage, and transportation, vitamins may lose potency, especially in summer. Stressful conditions further increase the need for vitamins, making supplementation critical.
Diseases and mycotoxins can also interfere with vitamin absorption, highlighting the importance of adequate vitamin supplementation in pig feed.
Although vitamin supplements make up only 2–3% of feed costs, they provide significant economic returns. To prevent deficiencies, extra vitamins should be added during breeding, gestation, and lactation. Experts recommend adding 250–500 g/ton of high-quality multivitamin products to improve sow reproductive performance.