by charlcie gill

By Charlcie Gill
Rabbits produce two types of droppings:
fecal pellets and cecotropes. The latter are
produced in a region of the rabbit's digestive
tract called the cecum. The cecum contains
a natural community of bacteria and fungi
that provide essential nutrients and possibly
even protect the rabbit from harmful
pathogens. By consuming the cecotropes as
they exit the anus, the rabbit takes in
nutrient-packed dietary items essential to
good health. Though often referred to as
“night droppings”, cecotropes can be
produced at almost any time of day.
Unlike the small brown “bunny marbles” we know as fecal pellets, normal CECOTROPES
resembles a dark greenish brown mulberry, or tightly bunched grapes. Composed of small, soft,
shiny pellets, each is coated with a layer of rubbery mucus, and pressed into an elongate mass.
Cecotropes have a rather strong odor, as they contain a large mass of beneficial cecal bacteria.
When a rabbit ingests cecotropes, the mucus coat protects the bacteria as they pass through the
stomach, then re-establish in the cecum.
When things go wrong…
True diarrhea is more common in young kits than older rabbits. One of the most common causes
is coccidia. In a kit, dehydration caused by diarrhea can rapidly result in death. It is wise to
consider incidences of diarrhea a true emergency. Common antibiotics used to treat coccidia
include Albon and the potentiated sulfas, such as Trimethoprim Sulfa (TMZ) or Bactrim. Another
cause of diarrhea in kits is stress at weaning. Very young rabbits have a sterile lower intestine
until they begin to eat solid food at the age of 3-4 weeks. It is during this time that their intestines
are at their most critical phase. Weaning too early or weaning under stressful conditions, can
make kits susceptible to enteritis (inflammation of the intestinal lining), which can cause fatal
diarrhea. When I wean kits, I always offer good grass hay. Adding rolled oats to the ration at a
rate of 20% in relation to pellets for about a week is also a helpful preventative.
Unformed Cecotropes
The cecum is a delicately balanced ecosystem. If the intestine is moving too slowly, or if the
rabbit is getting a diet too rich in digestible carbohydrates and too low in crude fiber, the complex
population of bacteria in the cecum can become unbalanced. In this condition, known as CECAL
DYSBIOSIS, beneficial bacteria (e.g., Bacteroides spp. and a variety of others) are outnumbered
by less desirable inhabitants such as yeast or harmful bacteria. A rabbit suffering from cecal
dysbiosis will produce cecotropes that are mushy, pasty or even liquid. They are usually foul-
smelling and often stick to the vent area, causing quite a nasty mess. Methods of treatment
include replacing the concentrate with grass hay for a few days and limiting or eliminating high
protein-type supplements. I have noticed that certain lines of rabbits seem more predisposed to
cecal dysbiosis than others. It is important (especially during the warmer months) to clean dried
cecotropes stuck from the rabbit’s rear end because it is not only smelly and uncomfortable, it is
also a fly attractant which can result in a life-threatening fly strike. Within a 24-hour period an
otherwise stable rabbit can enter a terminal state of shock due to maggot infestation.
Hidden health problems can also result in a loose stool condition. The most common
physiological response when a rabbit is ill or stressed is a slowing of the normal peristaltic
movements of the intestine, with all the accompanying problems of runny stool, and possible
inflammation of the intestinal lining (enteritis). Common health problems that may be
accompanied by loose stools include: malocclusion, urinary tract disorders, upper respiratory
infections, and torticollis (wry neck).


Lebenslauf Name: Ausbildung: St. Gotthard Gymnasium der Benediktiner, Niederalteich, Abitur 1988 Ärztliche Vorprüfung am 03.09.1990 1990- 1994 Friedrich-Alexander-Universität Erlangen-Nürnberg 1. Abschnitt der Ärztlichen Prüfung am 29.08.1991 2. Abschnitt der Ärztlichen Prüfung am 22.03.1994 1994 - 1995 Universität Regensburg 3. Abschnitt der Ärztlichen Prüfung am 04.05.1

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