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The Value of Vitamin A
By Barry Whitworth, DVM
A ranch in Australia experienced an abnormally high number of stillbirths and weak born calves in 2004 to 2005. An investigation revealed the usual infectious causes were not the problem. After additional testing, veterinarians diagnosed low levels of Vitamin A as the cause.
According to Dr. Greg Hanzlicek, with the Kansas State Veterinary Diagnostic Laboratory (KSVDL), Kansas had an unusually high number of stillbirth cases and weak born calves in the spring of 2019. After many laboratory tests, it was concluded the problem stemmed from a lack of energy, protein, Vitamin A, or combinations of all of these.
Both of the above examples demonstrate the importance of Vitamin A in reproductive efficiency. Research has shown that low Vitamin A levels during pregnancy are associated with abortions, stillbirths, and weak born calves. In addition to playing an important role in reproductive efficiency, Vitamin A is essential for vision, bone growth, and maintaining epithelial tissue such as skin and hooves.
To read more, pick up a copy of the February issue of NTFR Magazine. To subscribe call 940-872-5922.
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Goats Get To Work
One of my professors out at Texas Tech University always told us that we aren’t just raising cattle, we’re raising grass, because without grass there is no cattle business. The same applies to most livestock species and crops we seek to raise- without good land management, no good yield can grow.
To read more, pick up a copy of the November edition of North Texas Farm & Ranch magazine, available digitally and in print. To subscribe by mail, call 940-872-5922.
Farm & Ranch
Acorn Toxicity
By Barry Whitworth, DVM, MPH
With the prolonged drought, most pastures in Oklahoma end up in poor condition. With the lack of available forage, animals may go in search of alternative foods.
If oak trees are in the pastures, acorns may be a favorite meal for some livestock in the fall. This may result in oak poisoning.
Oak leaves, twigs, buds, and acorns may be toxic to some animals when consumed.
To read more, pick up a copy of the November edition of North Texas Farm & Ranch magazine, available digitally and in print. To subscribe by mail, call 940-872-5922.
Farm & Ranch
Silver Bluestems
By: Tony Dean
There are a handful of grasses on North Texas grazing lands ranchers need to know, not because they are highly desirable, but rather because they are not of much value. I call them “decom” plants, which is am acronym for “Don’t Ever Count On Me.” Silver bluestem is a “decom” grass.
Silver bluestem is a perennial which grows in all areas of Texas. It can survive in almost all soil types, and in full sun conditions or in semi shade. It grows up to three feet tall and is easily recognized with the presence of the white fuzzy seed head. Also, one of the identifying characteristics of Silver bluestem is a bend in the stems at each node, causing the plants to take on a rounded shape as they mature.
To read more, pick up a copy of the November edition of North Texas Farm & Ranch magazine, available digitally and in print. To subscribe by mail, call 940-872-5922.
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