Caused by an enlarged and overactive pituitary gland, PPID is characterized by overproduction of adrenocorticotrophic hormone (ACTH). This hormonal imbalance can lead to a slew of complications, including a long-haired, slow-to-shed coat, muscle weakness and compromised immunity. PPID also increases susceptibility to laminitis. Although typically found in horses 15 years old or older, PPID can also occur earlier in life.
PPID diagnosis usually requires tests that measure the ACTH levels in a horse’s blood. These levels naturally fluctuate by season, however, which can make interpreting results difficult. “The pituitary gland controls several processes that are seasonally variable---such as reproductive hormones,” explains Andy E. Durham BVSc, MRCVS, of the Liphook Equine Hospital in England. “Exactly why the pars intermedia (a specific areas of the pituitary gland) changes activity through the year is not understood. It might be that this is a process that has simply remained during evolution and is of no value or benefit to the horse.”
Bu hikaye Equus dergisinin Autumn 2020 sayısından alınmıştır.
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Bu hikaye Equus dergisinin Autumn 2020 sayısından alınmıştır.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Giriş Yap
PROGRESS AND STRUGGLE IN SENIOR HORSE CARE
A study from the Cummings School of Veterinary Medicine at Tufts University confirms what many dedicated horse owners have long known: Caring for a geriatric horse with a chronic health condition can be a significant physical and emotional burden.
THREE WAYS TO PREVENT BLANKET INJURIES
Of all the things your horse could injure himself with, his blanket seems an unlikely candidate. But don’t rule it out. Blanket mishaps do happen and they can be serious. Here are three things you can do to avoid them:
PUT AN END TO BARN DRAMA
While it’s impossible to prevent all discord at the barn, conflict resolution techniques can help solve problems, restore calm and enable everyone to enjoy their horses.
The turning point
You don’t always get the horse you want, but sometimes you get the one you need.
A FOREVER HOME
How a Facebook post led to a midnight rescue and an unexpected partnership
Nice work if you can get it
A career focused on horses is not for the faint of heart but the rewards are many and can last a lifetime.
MAKE WINTER EASIER FOR YOUR OLD HORSE
The season ahead may be hard on aging horses in cold climates but with some planning and preparation you can help yours sail through until spring.
7 THINGS YOU MAY NOT HAVE KNOWN ABOUT TETANUS
With modern vaccines and wound management practices, tetanus is almost a thing of the past. But the threat persists, so it’s wise to remember which horses are most at risk and why.
THE FIRST AMERICAN “SPORT HORSE” BREED
The very name of the American Standardbred reflects the performance requirement established at the inception of the breed. Here’s how genetics, conformation and training came together to create horses that could trot a mile in 2:30 or less, or pace it in 2:00 flat.
THE 6 WAYS HORSES LEARN
You’ll be more successful in teaching your horse new skills or maneuvers if your lessons, timing and tasks are aligned with his natural modes of acquiring information.
