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Open Access Article
1 - The effects of urea and diet energy level on performance, egg quality traits and blood parameters of laying hens
علی نوبختThis study was conducted to evaluate the effects of different levels of urea and energy in diets on performance, egg quality traits and blood parameters of laying hens. This experiment was conducted with two hundred and eighty eight Hy Line- W36 laying hens from 35 to 4 MoreThis study was conducted to evaluate the effects of different levels of urea and energy in diets on performance, egg quality traits and blood parameters of laying hens. This experiment was conducted with two hundred and eighty eight Hy Line- W36 laying hens from 35 to 46 weeks of age as 3*2 factors with 3 levels of urea (0, 0.25%, and 0.5%) and 2 levels of metabolizable energy (ME) (2800 and 2900 kcal/kg) in 6 treatments, 4 replicates and 12 hens in each replicate in a completely randomized design. In diet with 2900 kcal/kg ME egg production percentage, egg mass, feed conversion ratio, eggshell weight, albumin weight and Haugh unit in contrary with diet contained 2800 kcal/kg ME improved. Laying hens had the best performance, egg quality traits and the lowest feed price/per kilogram of egg with diet contained 0.25% urea. Using different levels of ME and urea in diets did not have any significant effects on blood parameters of laying hens, however in interaction effects of ME and urea in diets, the lowest level of cholesterol was observed in diet contained 2900 kcal/kg ME without urea using and the lowest amount of blood albumin obtained in diet contained 2900 kcal/kg ME and 0.25% urea. The overall results indicated that in laying hens from 35 to 46 weeks of age, using diet with 2900 kcal/kg metabolizable energy and 0.25% urea improve the performance and egg quality traits and reduce the production price. Manuscript profile -
Open Access Article
2 - Survey on hard tick species diversity and seasonal variations of equines in Maragheh
Sohrab Rasouli محمد Sadaghiyan فرشاد Mazaheri Chors حامد RezaeiIn present, survey, 140 horses were investigated from Maragheh surrounding Villages. 10 out of all horses were infected by ectoparasites (7.14%) the studied horses were 1 to 12 years old. No skin lesion and sign of particular disease was observed in this survey. Also 99 MoreIn present, survey, 140 horses were investigated from Maragheh surrounding Villages. 10 out of all horses were infected by ectoparasites (7.14%) the studied horses were 1 to 12 years old. No skin lesion and sign of particular disease was observed in this survey. Also 99 of the horses were male and 41 of them were female where 7 male horses and 3 female horses were infected (7.07% and 7.31% respectively). Infection has most prevalence in horses older than 8 also the least prevalence was observed in horses which younger than 2 years old. According to findings of Chi square statistical test, there was no significant relation between tick infestation rate considering the age and sex of the animals but there was a significant difference between groups that located in different regions. Manuscript profile -
Open Access Article
3 - English Abstracts
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Open Access Article
4 - Parasitic fauna review of some Caspian Sea Gobioidei fish species and the first report of Corynosoma Caspicum nematode in Iran Gobioidei fishes
amin Khodadadi kazem abdi payam Arabzadeah iraj Mobedy -
Open Access Article
5 - Slaughterhouse and Paraclinical investigation of copper Deficiency in sheep of province Mazandaran
alireza nikbin alireza Shaghayegh saeed AzimpourRuminates copper deficiency is endemic all over the world and it causes different clinical and subclinical diseases such as enzootic ataxi in lambs, decreased wool quality in sheep, cattle's falling disease , anemia, diarrhea, decreased immune system, weight loss, bones MoreRuminates copper deficiency is endemic all over the world and it causes different clinical and subclinical diseases such as enzootic ataxi in lambs, decreased wool quality in sheep, cattle's falling disease , anemia, diarrhea, decreased immune system, weight loss, bones fragility …. Thus, it has a great economic importance. In order that it's important to examine deficiency of this mineral in different regions. According to that,copper deficiency is not always diagnosable in blood test, in this investigation liver sample has been taken from each sheep in four season after slaughter and the level of copper examined by atomic absorption method. In serum, copper level under 40 µg/dl categorize insever copper deficiency group, If it's 40 - 70 µg/dl places in border copper deficiency group and if it's more than 70 µg/dl, stands in normal group. Also, copper liver concentration more than 80 PPM, categorize in normal Group, if it's lower than 80PPM places in secondary copper deficiency group and if it's lower than 35PPM sits insevere copper deficiency group. The average of copper level in serum in spring, summer, autumn, winter was 97, 123, 83, 85 mg/dl respectively and the average of liver copper concentration in these seasons was 70/69, 85/34, 74/71, 73/98 PPM respectively. The statics shows that 12% of sheep had border copper deficiency on their serums and 58 % of them had border copper deficiency on their liver and only 6%ofsheep had border copper deficiency both on their blood serum and on their liver. Manuscript profile -
Open Access Article
6 - A clinical case report of the effect of administered GnRH, PGF2α and Oxytocin on sperm count and semen volume of a dog with oligospermia
navid amini ourang ataie mehran Farhoodi Moghaddam sina ghaznaviThis study was conducted to compare the effect of single dose treatment of GnRH(Cystorelin ,50 mic/dog,Sc.60 min prior to sperm collection), PGF2α(Veteglan,0/005 mg/kg,Sc,15 min prior to sperm collection) and Oxytocin(Vetacin,10IU/dog,Im,10 min prior to sperm coll MoreThis study was conducted to compare the effect of single dose treatment of GnRH(Cystorelin ,50 mic/dog,Sc.60 min prior to sperm collection), PGF2α(Veteglan,0/005 mg/kg,Sc,15 min prior to sperm collection) and Oxytocin(Vetacin,10IU/dog,Im,10 min prior to sperm collection) at intervals of one week on canine oligospermy.This project has been done on a 2-years-old mixed breed dog weighing 30 kg with oligospermy along with seven other health dogs with normal sperm count and semen volume as control group . obtained semen from the dogs after each treatment shown that all three doses of oxytocin, prostaglandins and gonadotropins on sperm count and semen volume in this dog with oligospermia have a favorable impact . Manuscript profile -
Open Access Article
7 - Principles of root canal therapy in small animals
azin tavakoliEndodontic therapy is a branch of dentistry that deals with diagnosis and treatment of disease of the pulp and the associated tissues. When pulpal tissue is destroyed, some form of endodontic treatment is essential to preserve teeth. On the other hand it is an appropria MoreEndodontic therapy is a branch of dentistry that deals with diagnosis and treatment of disease of the pulp and the associated tissues. When pulpal tissue is destroyed, some form of endodontic treatment is essential to preserve teeth. On the other hand it is an appropriate alternative for tooth extraction. The necrotic part of pulpal canal is removed and the function of the fractured tooth is preserved in the oral cavity. The aim of root canal treatment is the prevention and treatment of pulpal and periapical disease. In case of pulpitis, the treatment is aimed at preventing root canal infection by removing the pulpal tissue. The most common indication for endodontics is fractured teeth. If the tip of the crown appears black, the patient is a candidate for a work up and evaluation of the tooth. Endodontic disease refers to inflammation (pulpitis) or necrosis of the pulp tissues. Depending to the severity of the insult the pulpitis may be reversible or irreversible. According to the age of the patient and severity of the insult, the tooth becomes a candidate for either pupoltomy or pulpectomy. In this article the principles of root canal treatment with emphasis on the conventional technique and instruments are discussed. Also some of the complications are explained. Manuscript profile
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