All the flocks were vaccinated. Egg yolk peritonitis is another extremely serious condition and one of birds’ most common fatal obstetrical conditions. She seemed a little off that afternoon but it has been so hot. The study period covered three consecutive years (2005–2008). Egg yolk peritonitis is a life-threatening condition where the egg yolk enters the abdominal cavity. Egg Yolk Peritonitis. To detect the various bacteriological agents and pathological changes in commercial layer chicken affected with egg yolk peritonitis in Namakkal region of India. They have a short lifespan. psittaci + E. Yolk Peritonitis vs Egg Binding The REAL disease is egg peritonitis, also called internal lay, when one or many egg yolks are lost into the abdomen. Among the various oviduct abnormalities egg peritonitis is a common problem in sexually mature layer chicken. coli bacteria inside the abdomen, and the E. The pictures below show a parchment shell removed from the vent and an irregular coating of shell. However, in egg peritonitis the yolk is either ruptured (we all know how fragile they are) or misses its target. Then the egg yolk travels to the peritoneum and causes an infection. Updated on. The yolk was spread throughout her entire chest cavity. , 2013). Once established, this model was then used to measure the effectiveness of a siderophore receptor and porin proteins (SRP ®) APEC vaccine. Egg peritonitis is characterized by fibrin or albumen-like material with a cooked appearance among the abdominal viscera. I began reading about what may have happened and I think it may have been egg peritonitis but I am not sure. It seems to be getting softer (as of earlier today) and I'm hoping she's getting better (she's my favorite out. Female Conures & Egg Laying; Egg Laying as a. Lash eggs result from an infection (bacterial or viral) that causes inflammation of a hen’s oviduct. Duramycin 10 seems to be the consensus treatment. The danger of this illness is the blood thickening that can result in bird stroke. The causes of egg bound are multi-factorial among which nutrition and conditions that lead to egg malformations play significant roles [7]. For mine that have had problems, I usually direct dose them with Poultry Nutri-Drench at 1cc per 3 pounds of weight. We took her to the vet immediately after noticing her swollen abdomen and purple crown. This clears out the infection and keeps it from spreading. Offer chopped egg or a bit of tuna to get her eating. There are two types of egg. Written by Dr. I have been giving her warm baths the last few days cause I thought maybe she was egg bound. Most national and international layer breeders have eradicated lymphoid leukosis from their flocks. The result is the males hatch white and the. Thin-shelled eggs. 21. The delayed absorption of the yolk sac is a prerequisite for E. Apr 14, 2012 #95 EweSheep Flock Mistress. The abdomen of such birds is. For mild or early cases, coelomic drainage, antimicrobial therapy, and hormonal down-regulation of ovulation may be effective. My mom did some research and found that it might be egg peritonitis. Many times chicken cannot tolerate anesthesia and may die during surgery. The yellow colored poop is a highly suspicious sign of egg yolk peritonitis. Pictures & Stories of My Chickens. Medical management of dystocia or egg binding; 8. If the egg remains stuck inside the parrot’s reproductive tract for an extended period, it can cause impaction. 2. . They are also susceptible to calcium deficiencies which can cause soft shelled eggs. Some chicken breeds are renowned for their ability to lay large eggs. Below is a lash egg that has been cut open. PD was originally described in 1899 and termed “fatal septicemia of young chicks”. Portland, OR. Add to Calendar 01/28/2020 08:00 PM 01/28/2020 09:30 PM America/New_York afyqAJbkLzQadISZkmDL33753 15 January 28, 2020: Egg yolk peritonitis and other reproductive disorders in reptiles & birds. You’ll get just about one egg each and every day from these chickens. Egg yolk peritonitis can, unfortunately, be a problem in any productive egg-laying breed. The yolk is produced but misses the infundibulum and becomes a free-floating yolk in the abdominal cavity. My hens who died from age 1 1/2 - 4 years old all died from internal laying/egg yolk peritonitis. The vet advised that normally the hen has been laying well and you get the odd soft egg, but then peritonitis develops where the yolk fluid remains in the abdomen and slowly starts accumulating. Yolk sac infection occurs by contamination of the unhealed navel or by contact of the hatching egg with the contaminated shell. We've been trying to keep her out of the heat (been >90 °F this week). Some eggs are refluxed to the abdominal cavity (abdominal laying), and affected hens assume a penguin. 114 votes, 15 comments. My Wyandotte must of been born with this or caught it at a very early age. The study period covered three consecutive years (2005–2008). vbell259. Poultry Egg Yolk Peritonitis: ===== Egg Peritonitis in Poultry (Egg yolk peritonitis) Egg peritonitis is characterized by fibrin or albumen-like material with a cooked appearance among the. Such breeds include the Orpington, Plymouth Rock, Sussex, Rhode Island Red, and Leghorn. involvement of bacterial infectionswhereas septic egg peritonitis (the most common type) occurs due to contamination with bacteria, typically . Dystocia in reptiles is not usually an emergency situation except… 11. In and older hen, not so much. Keep her warm. This condition occurs when the hen matures too many egg folicles (yolks) at once, and is sometimes the result of a condition known as EODES (erratic oviposition and defective egg syndrome). Egg Peritonitis is when the peritoneum (the lining of the abdomen) becomes inflamed due to an infection from bacteria. Chickens with egg yolk peritonitis display all the classic symptoms of being in pain. She did not lay on Friday but was in the nest box. Fecal testing came back with nothing. Logsdon, in Comparative Veterinary Anatomy, 2022. First, a pilot study which consisted of two separate experiments was carried out to compare two routes of inoculations of APEC to induce peritonitis and to examine if the presence of egg yolk in the. Egg-yolk peritonitis, according to a second vet, is way and above more common that egg-binding. Egg-yolk peritonitis. My Cochin Hen Blueberry Died the past hour ago I suspect it was from egg peritonitis. In chickens’, probably the most commonly seen manifestation of E. Hello - I have four ex-bats and have found this forum invaluable in the year I've had my girls! I discovered one of my girls, Diana had a very swollen tummy on Sunday - I searched BackyardChickens Forum and realised that she probably has EYP. The egg had a thick yellow waxy coating and then there was the shell of an egg inside. The reason chooks die from E. She is young for that, but it does happen. On gross examination, salpingitis may be difficult to differentiate from impacted oviduct in. Egg Yolk Peritonitis. Egg yolk peritonitis, sometimes referred as egg peritonitis and is a common condition seen in poultry, from the point of lay onwards. Berbeda, kasus ini memiliki gejala dan penampakan yang berbeda dari kasus-kasus serupa. Pictures & Stories of My Chickens. Sometimes these queries are nothing to worry about as your chickens are just going through a normal process of coming into or going out of lay. Our vet drained her abdomen with a syringe (not completely, just the majority of the fluid). Kali phos. We thought they had eaten the egg. Chicken egg peritonitis only happens when an egg ruptures in the oviduct. What's the Difference Between Ascites and Egg Yolk Peritonitis? Letty1; Sep 18, 2023; Emergencies / Diseases / Injuries and Cures; Replies 5 Views 363. Of the six, I could tell the soft shell egg had been laid by one of my three 1. 14. She appears to be going trough a molt. The fluid builds up there, causing a visible swelling of the abdomen. 12 Years. Potential causes of ectopic ovulation include oviductal fat, trauma, or oviductal disease. Necropsy examinations have demonstrated that two full-sized eggs can be found in. Nov 4, 2023. She seems a bit better after those remedies, but with the help of the knowledgeable chicken people here - I was pointed into a direction of egg yolk peritonitis and salpingitis. Egg Yolk Peritonitis . She was free range before I put her in with the rooster and she was not happy about that, but i figured it was only for a couple weeks. CAUSE: This is something that could have been prevented. She has been very active and eating, she had a droopy butt. She prescribed antibiotics. M. Normally egg yolks are passed from the ovary to the oviduct. See pictures of post-mortem colibacillosis lesions at right and on the following page. How will I know if my hen has egg yolk peritonitis? Hens with egg yolk peritonitis will stop laying eggs or lay only soft-shelled, thin-shelled, or misshapen eggs. The warm soaks in epsom salts, the uptake in calcium, laying in a quiet place to lay, having plenty of available water. Egg yolk peritonitis is very painful and will affect your hen’s activity level. Took her to a sophisticated animal hospital and was kept 4 nights. She probably feels pretty lousy. Faux, Marcie L. About a month ago, I found my first soft, shelled egg in one of the nesting boxes. One of the hens, Penny ([COLOR=rgba(0, 0, 0, 0. The yolk was spread throughout her entire chest cavity. Methods: A total of 6 572 layer chicken from 85 commercial farms were subjected for the study, out of which 1 715. If the number of cracked eggs is high, possible causes include: Old Hens – Shell strength steadily declines as your hens age. Weak, sleepy and lethargic. Symptoms: waddling like a duck, wide leg stance, underbelly puffy and filled with fluid, diarrhoea (white, green), mucky vent, no eggs. This occurs when a cockatiel’s egg releases yolk into the abdominal cavity. Squishy might indicate egg yolk peritonitis (internal laying), hard might indicate she is egg bound (you mention that she seems to be trying to expell something). Reactions: LittlePip21 and MGG. Let me see what I can find. Then afterward, there can be a lot of complications, such as a slow crop, infection, and other issues. Egg Yolk Peritonitis. Egg yolk peritonitis (EYP) is known as internal laying. As soon as I'd open the coop door, all the other chickens would just flock over to the mess and start eating the. I’m leaning towards peritonitis, but I’m not sure. It can be diffuse or focal and can cause acute or chronic disease. Egg Yolk Peritonitis. Oct 21, 2023. A hen having trouble laying eggs is egg-bound. Pictures & Stories of My Chickens. As a result, the yolk is internalized and can quickly become infected. It can be a common cause of death in hens. In young pullets, salpingitis can result in reduced egg production and is often due to: It is a frequent lesion in female broilers and ducks at processing. Administered well over one cup of fluids throughout day. This natural medication can also be used to treat birds who are suffering from egg peritonitis. Egg Yolk Peritonitis, sometimes referred to as Egg Peritonitis (or ‘EYP’ for short), is a common condition seen in backyard hens of all ages, from the point of lay onwards. We would like to show you a description here but the site won’t allow us. Ovocentesis techniques; 9. Early this year, one of my adopted Red Stars, Sunshine, developed Egg Yolk Peritonitis. Egg yolk peritonitis is commonly diagnosed in laying hens when yolk from a developing egg or an incompletely shelled or ruptured egg is deposited within the body cavity (the coelom). My 2 year old golden comet Stella may have egg yolk peritonitis. Egg peritonitis can be classified as non-septic egg peritonitis and septic egg peritonitis. History revealed anorexia, pale comb, reluctance to. Very rarely, foreign material that enters the oviduct through the vagina (eg, a. Pullorum disease (PD) is caused by Salmonella pullorum. We currently have a chicken who is in the run just squatting and sleeping. Looking back I did have one chicken pass a soft shelled egg in the coop overnight about 6-8 weeks ago that probably was her based on the location of the egg. Ascites is more common in heavier birds such as broiler chickens, and is associated with heart or liver. Keep her drinking and see how it goes. Yolk is very irritating and the body responds with inflammation. It was shown that the presence of egg yolk in the peritoneum facilitated the development of egg peritonitis when the APEC was inoculated via the intra-uterine (IU) route. Administered well over one cup of fluids throughout day. Golden Comet chickens were designed to be egg-laying machines, and you’ll be hard-pressed to find a better egg producer than this one. This cause her breathing difficulty because the belly is so close to the lungs. The dropping of eggs/egg matter into the abdominal cavity, tumors, cancer, fluid, etc. Poultry Egg Yolk Peritonitis: ===== Egg Peritonitis in Poultry (Egg yolk peritonitis) Egg peritonitis is characterized by fibrin or albumen-like material with a cooked appearance among the. Identify vent prolapse and egg-binding A hen who spends a lot of time in the nest box is broody, not. To me, your chicken probably had an impacted oviduct, which led to egg yolk peritonitis and liver failure causing amber ascites fluid and the discolored liver. coli from lesions. I knew that she had never laid an egg. Egg Yolk Peritonitis, sometimes referred to as Egg Peritonitis (or ‘EYP’ for short), is a common condition seen in backyard hens of all ages, from the point of lay onwards. Keep your bonded birds apart. I have necropsied hens who died from salpingitis, ascites, and crop problems. Process Freedom Rangers, age. 622. The chickens could be hatched with a latent infection, when E. Due to the genetic modification of layers – bred for even faster, constant egg production for a short period of time – they are contracting diseases at younger ages that you might expect in older hens. Egg yolk peritonitis is the inflammatory reaction of peritoneum caused by the presence of yolk material in the coelomic cavity (Srinivasan et al. Egg Yolk Peritonitis. Excessive egg laying, if untreated, often leads to more serious reproductive issues such as dystocia, impacted oviduct, egg-yolk peritonitis, or cloacal prolapse. . This occurs when a cockatiel’s egg releases yolk into the abdominal cavity. #2. She prescribed antibiotics. Exhausted. NW Oregon. What signs do I need to look out for for egg yolk peritonitis? I posted pictures of her poo, there's some weird black pieces that are solid, and the other pieces are green and white and wetter but it's not an eggy texture at all. . Baytril (enrofloxacin) is good for treating egg yolk peritonitis, since E. Yolk peritonitis is common; 12. The next day or 2 she was normal and happy. coli is egg yolk peritonitis. From 2018 to 2021, increasing salpingitis during egg peak is threatening the poultry industry post-artificial insemination, both in breeder layers and breeder ducks across China. The third stop is the isthmus, a constricted portion of tissue where. It has happened to hens of every breed I've had; I have. In the end I decided to euthanize Munchkin and end her suffering. See pictures of post-mortem colibacillosis lesions at right and on the following page. Because yolk is an excellent growth medium for bacteria, peritonitis may result from secondary bacterial. Egg yolk peritonitis can develop which consists of cheese-like exudates in the abdominal cavity that look like coagulated yolk (Nolan et al. A study on the pathology of egg yolk peritonitis was performed on commercial poultry farms located in Namakkal region of Tamil Nadu. A study on the pathology of egg yolk peritonitis was performed on commercial poultry farms located in Namakkal region of Tamil Nadu. And amazing layers. So, what do you think? Was it egg yolk peritonitis, salpingitis or both (Can one cause the other)? Baytril or enrofloxacin 10% is very good, and is commonly used for treatment of egg yolk peritonitis in hens. The condition is commonly observed in cockatiels, lovebirds, macaws, and parakeets. psittaci, or C. A female bird can get egg yolk peritonitis, even if it hasn’t mated. Chickens walking low to ground may indicate injuries, discomfort from molting, and a serious inflammation called egg yolk peritonitis. It is not available at tractor supply or at the local farmers co-op; however, injectable Duramycin 100 can be purchased at these locations. However the disease must be picked up early enough for intervention. She got the implant about 1 month ago, and just this week she’s showing signs of symptoms coming back - laid a lash egg, egg. . She seems a bit better after those remedies, but with the help of the knowledgeable chicken people here - I was pointed into a direction of egg yolk peritonitis and salpingitis. . One tablespoon weighs about 10 grams which = 550 mg. Interesting stuff for the small flock community and the humane big flock community. Hi all. Weak, sleepy and lethargic. Pretty much what I expected to hear. You'll likely take antibiotic medicine through a needle in a vein. If you are feeding more than a tablespoon amount, of any of the things you've mentioned, to each bird per day you are way over feeding them treats. Kejadian penyakit ini biasanya diawali dengan produksi kuning telur yang berlebih atau terjadinya kondisi ovulasi ektopik dimana folikel pecah atau tidak masuk secara normal di saluran telur. The type of antibiotic you'll need and how long you'll have to take it will vary. coli or C. My 3 year old leghorn chicken has had an internal layer/ egg yolk peritonitis for a month. What signs do I need to look out for for egg yolk peritonitis? I posted pictures of her poo, there's some weird black pieces that are solid, and the other pieces are green and white and wetter but it's not an eggy texture at all. I took her to the vet a week ago, with no clear diagnosis, but vet said EYP is creeping up on her likely list. The sent her home on Clavamox and improved. Don’t rub your bird under their wings or chin. With a terrific blend of sought-after traits, the Amberlink is a very well-balanced, all-around performance chicken with an excellent temperament. She may also go off of feed and water. We thought she might be egg bound so we've soaked her in epsom salts several times today. They vet called me and told me that the radiologist thinks echo is a girl and has egg yolk peritonitis. Q. I followed the excellent advice and gave her. A series of studies was undertaken in specific-pathogen-free white leghorn chickens for the development of a chicken model of avian pathogenic Escherichia coli (APEC) peritonitis. For a 60 week old flock, it is normal to find cracks in 4% of the eggs at examined at the nest or cage. 05 ml (1/4 ml or 0. Penyakit ini juga biasa disebut Egg Yolk Stroke. Egg Yolk Peritonitis. Surgery. CURE: After 2 X-rays to rule out the possibility of being egg-bound, Ellie was treated with baytril 100 and calcium gluconate 10% injections. Peritonitis can occur after a prolapsed oviduct or when yolk goes into the abdominal cavity instead of going down the oviduct and out usual. The ovum, or yolk, stays in the magnum for 3 hours while the albumen, or “egg white,” is added. This cause her breathing difficulty because the belly is so close to the lungs. The older term “egg yolk peritonitis” has fallen out of favor as birds have a coelom rather than a peritoneum, and the offending substance. GRAPHIC PHOTOS. One reason why your bird may have a bloated stomach, and be lethargic, may be because the bird has egg yolk peritonitis. old. Egg peritonitis: A large solid yellowish, caked,yolk material ( arrows ), literally, masking the abdominal viscera and occupying the whole area. Small eggs with reduced albumen and eggs with defective shells may be the result of damage to the epithelium of the magnum or shell gland. Both egg binding and peritonitis are serious conditions that need the assistance of an avian veterinarian. Swollen abdomen- culled and found tumors. 3. to Rake or not to Rake ? ( Leaves) Latest: 21hens-incharge; 1 minute ago;If you want to use Baytril the 10% dosage is 0. It was very dense around the gizzard, and the ovary that I found was somewhat hard. She has been unwell, going on 3 weeks. I'd open up the coop in the morning and there would be a yolk on top of the night's poop. It is caused by yolk fluid leaking from the oviduct and ovaries into the abdominal cavity. Egg binding is a rarer condition more commonly seen in commercial-type hens andRudimentary ovary and egg yolk peritonitis were recorded in layers, breeders and mixed type of birds (Table 2). Note: this was expensive & time consuming. These symptoms are more likely to be egg-yolk peritonitis and should be seen to right away. What is far more common is a condition known as ‘Egg Yolk Peritonitis’ or. 1) Hens and Cracked Eggs. Please post pictures of different kinds of wyanddottes, and name the types. I've drained water belly before on an old hen whose heart and liver were giving out - nice clear yellow fluid - this was nothing like that- and had a horrible. I think its EYP based on her poop (from the chicken chicks poop chart). This natural medication can also be used to treat birds who are suffering from egg peritonitis. . The chickens could be hatched with a latent infection, when E. It is caused by a malfunction in transferring an egg from the ovary to the infundibulum. :-/ She just turned 3 and was a barred rock. It's been very hot here and she had a LOT of water each day that she was "with egg". The hen’s immune system reacts to the inflammation by trying to wall-off the infection with a waxy, cheese-like pus. . Treatment may include: Antibiotics. That looks like "cooked egg" material that is common in egg yolk peritonitis. I couldn't feel anything that was hard like an egg in her abdomen but I put her in a warm bath tonight for 40 minutes and put some olive oil in her vent (with a small syringe barrel). We are sometimes getting odd little egg type things with no outer shell. After an ultra sound the vet noticed she’s has free fluid, bright liver, and producing egg yokes again. Penyakit ini juga biasa disebut Egg Yolk Stroke. Coli. Places like Coastal should carry it. , 2013). Kejadian penyakit ini biasanya diawali dengan produksi kuning telur yang berlebih atau terjadinya kondisi ovulasi ektopik dimana folikel pecah atau tidak masuk secara normal di saluran. The yolk is. egg peritonitis [1] [3] [4] . Egg peritonitis is characterized by fibrin or albumen-like material with a cooked appearance among the abdominal viscera. If it's a vent secretion it won't dissolve. The question i have is: if I cull her, would the meat still be usable if I butcher her out, or does the infection spoil the rest of the meat?Salpingitis is an inflammation of the oviduct, which may contain liquid or caseous exudate. It should be palpated for any nodules, friable areas or other abnormal changes . Later she laid an intact egg yolk. from And in chickens, it can be caused. If an egg breaks inside a hen, she is unable to pass the egg or the egg ends up in her abdomen. Antibiotics will not help this problem, but if the peritonitis remains sterile, the hen may last this way for years. Have a cochin frizzle with egg yolk peritnonits,have been giving her the duramycin-10 but she is not drinking very much and not eating. 8: 1 × 10 9: 100 µL stated in pilot study: NA: NA: IU bacterial inoculation (1 mL syringe introduced through the vagina into to the uterus) and 2–3 mL egg yolk IP: Luria Bertani broth, centrifuged and washed in PBS and resuspended. History A 2-year-old laying hen (Gallus gallus domesticus) presented for lethargy, inappetence, and a fluffed appearance. However the vet who works with them suggested to me that Suprelorin implant (Virbac), which is used on dogs to prevent aggression, can be used to stop hens secreting egg material which leads to egg peritonitis. Since the 1st egg, though, her poop has been very watery with white, sometimes-stringy pieces in it. Sunday a. Thread starter Shezadandy;. 7 cc of Cephalexin and . Exhausted. photos graphic, but hope they help someone. In the end I decided to euthanize Munchkin and end her suffering. coli grows rapidly. Signs of illness include: lack of appetite, weakness, respiratory distress, lethargy, looking tatty and yellow colored poop. Bacterial infection (septic egg peritonitis) is also common. The symptoms you are describing sound like the. Consequently, the diarrhea poop is more like egg yolk. Today I found out why as we thought it was best to cull her before she would develop an infection, which I'm very shocked she didn't. , 2013). She seems sort of fluid-filled when I. Egg yolk peritonitis?. Also, someplace on BYC I posted photos of the necropsy of my bird as a learning tool for folks. coli bacteria inside the abdomen, and the E. Some hens have been bred and selected for this and sometimes this happens a lot with the first eggs of the season until birds get going. Spirochaetosis, an enteric disease of older laying birds (> 40 wk) , has been reported in Ontario flocks and in the US . These pass to the oviduct and begin transporting them through the rest of the reproductive tract to be expelled as a fully formed egg. Don’t remove laid eggs without replacing them. When impaction occurs, eggs that continue to form create layers of albumen and yolk material, and the oviduct becomes very large. Egg Peritonitis in Poultry. It is a common cause of sporadic death in layers or breeder hens, but in some flocks may become the major cause of death before or after reaching peak production and give the appearance of a contagious disease. There was a thread about a hen recently who had surgery,. Symptoms include lethargy, problems breathing, and a decreased appetite. For mine that have had problems, I usually direct dose them with Poultry Nutri-Drench at 1cc per 3 pounds of weight. Egg Yolk Peritonitis? Ry123; Sep 13, 2023; Emergencies / Diseases / Injuries and Cures; Replies 1 Views 377. 01 abdomen - starting to show the yellow fat 02 the abdomen opened showing the extent of the yellow fat 03 the stuck egg (with arrow) 04 the egg released 05 the egg sliced in two. , 2013). Egg peritonitis is characterized by fibrin or albumen-like material with a cooked appearance among the abdominal viscera. Egg yolk peritonitis, also referred to as egg-related coelomitis, is a general term used to describe peritonitis associated with the presence of yolk material, usually caused by conditions such as ectopic ovulation (the. I have a total of six chickens that are currently laying. The histological examination of the oviducts highlighted that in the three birds with egg yolk peritonitis, the infundibulum architecture was altered by the extensive presence of fibrosis, cystic glands and dysplasia of the mucosa; hyperplastic lymphocytic follicles and a diffuse lymphoplasmacytic infiltrate were also evident. Novel safety prevention strategies are urgently needed because of widespread multidrug resistance and antigenic diversity. Maybe a little lethargic etc DIAGNOSIS: "peritonitis due to the inability to form a shelled egg". 14 Years. , 2013). the egg was well formed and only had 1 yolk. The first step for dealing with egg retention is to try a warm water bath with Epsom salts. Egg Yolk Peritonitis—Egg yolk peritonitis is the bird equivalent of ectopic pregnancy. Battagliac thank you for that info, much appreciated. See moreWhen the egg-yolk or egg-white material accumulates in the abdominal cavity instead of the eggshell or cloaca, it can cause peritonitis. Mar 21, 2012. However, literature about the relationship between microbiota and reproductive performance is limited. , Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save. Dosage of 10% baytril liquid sold here is 0. Kali phos. This study showed that the presence of egg yolk in the peritoneum facilitated the development of egg peritonitis when the APEC was inoculated via the intra-uterine (IU) route. The present study describes an experimental infection model for avian pathogenic Escherichia coli (APEC)-induced egg peritonitis in layer chickens. It does aound like she may be suffering from a reproductive disorder. Treatment may include: Antibiotics.