IMPROVING FERTILITY
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BRASIL CZECHIA ESPAÑA ITALIA SLOVAKIA

Selko | Health and Fertility

IMPROVING FERTILITY

Influence of trace minerals on metabolic processes improving fertility of ruminants.

Professor J. Arthington, University of Florida, Animal Sciences faculty. Currently serves as Professor and Chair of the Department of Animal Sciences.

The EAAP congress will be in Porto, from September 5-9. One of the speakers will be Professor J. Arthington from the University of Florida, Animal Sciences Faculty. He currently serves as Professor and Chair of the Department of Animal Sciences. He will give an invited lecture about the influence of trace minerals on metabolic processes related to reproduction in ruminants.

The impact of trace mineral nutrition on the metabolism of dairy cows

Trace minerals have long been identified as essential dietary components for domestic livestock species. Included in the category of essential trace minerals (or microminerals) for dairy cows are chromium, cobalt, copper, iodine, iron, manganese, molybdenum, selenium, and zinc. Numerous biochemical reactions require trace minerals for proper function. However, the interactions between trace minerals and metabolic processes in dairy cows are extremely complex. Trace minerals have been identified as essential for normal carbohydrate, lipid, protein, and vitamin metabolism, and have been shown to be involved in hormone production, immunity, and cellular homeostasis. In general, trace minerals function primarily as activators or components of enzyme systems within cells by assisting with enzyme structural integrity and substrate binding. Enzymes involved in protection of cells from oxidative stressors, electron transport, oxygen transport, bone metabolism, gene expression, and nutrient metabolism all have been shown to require certain trace elements for proper function.

The impact of trace mineral deficiencies on dairy reproduction

It has been well documented that deficiencies of various trace minerals can impact reproductive efficiency in domestic livestock species. Reproductive deficiency signs of trace minerals in ruminants include decreased conception rate, reduced birth weight, infertility, increased duration of anestrus, fetal deformities, altered reproductive hormone production, and fetal resorption. There are many factors that could affect the response of a dairy cow to trace mineral supplementation such as the source, duration and concentration of trace mineral supplementation, physiological status of an animal, the absence or presence of dietary antagonists, environmental factors, and the degree of stress. Therefore, the intent of this review is to discuss the impact of trace minerals on metabolic process related to reproduction in ruminants.

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