Majid Toghyani

Islamic Azad University Isfahan (Khorasgan) Branch

Introduction: Eggs can be enriched with iron and iodine through the diet. However, high levels of iron and iodine negatively influence the egg quality and performance of birds. This problem may be overcome by organic forms of minerals. Materials and methods: In this study, the effects of ferrous glycine and ethylenediamine dihydroiodide as sources...

Background & Aim: Since the use of antibiotic growth promoters (AGP) have been banned in many countries, there is an urgent need to find a suitable alternative for them. Meanwhile, in recent years, special attention has been paid to herbal compounds. The present study was carried out to evaluate the effects of oregano (Origanum vulgare L) as an alt...

This study was conducted to investigate and compare the effects of substituting soybean meal (SBM) with untreated cottonseed meal (CSM), fermented CSM (FCSM), or electron beam-irradiated CSM (ICSM) on the growth performance, cecal microbiota, digestive enzyme activity, apparent ileal digestibility (AID), and excreta gas emission of broiler chickens...

Background Total serum protein (TSP) within the first few days of life in the neonatal calf has predictive value for subsequent growth and production in calves before and after weaning. Introduction The objective of this study was to evaluate the effect of TSP concentration 24‐h after birth (24‐h) on the performance and health of Holstein dairy ca...

Degree of modification of egg white protein by phosphorylation (1.5, 2.5, and 3.5%) and ultrasound power (100, 200, 300, and 400 kW) on the functional properties of freeze-dried egg white powder, such as solubility, viscosity, water, and oil holding capacity, foam capacity and stability, emulsion capacity and stability, degree of phosphorylation, p...

Two experiments were performed to explore the effect of dietary supplemental different sources and particle sizes of calcium (Ca) on growth performance, bone mineralisation, blood attributes, and calbindin gene expression in broiler quail. In experiment 1, 480-day old broiler Japanese quail (Coturnix japonica) were allotted to four dietary treatmen...

A total of 180 female Japanese quail breeders were allocated to 5 treatments with 6 replicates of 6 birds and fed a diet supplemented with 0, 125, 250, 500, or 1000 mg/kg of a phytogenic feed additive (PFA) in a 9-wk experiment. Egg weight, feed efficiency, shell breaking strength and calcium content, specific gravity, Haugh unit, and percentages o...

The effects of phosphorylation pre-treatments at 1.5, 2.5, and 3.5% levels, as well as microwave application at 200, 400, and 700 watts levels for 2 min, on the functional parameters of egg white powder obtained by the freeze dryer procedure were investigated. P1.5-M200 had the highest oil-holding capacity, emulsion stability, and emulsion activity...

Context Colostrum feeding and hence transfer of sufficient immunoglobulin G (IgG) is vital for protecting against disease in the neonatal calf. A wide range of variations exists in colostrum yield, IgG concentration and many factors that affect colostrum quality. Aims The current study aimed to determine the cow-level factors associated with colost...

This study compared the effects dietary organic (ferrous glycine [FG]) versus inorganic (ferrous sulfate [FS]) iron in laying hens on performance, egg quality, serum and egg yolk lipids, antioxidant status, and iron enrichment of eggs. A total of 378 Shaver White layers were allotted to 7 treatments with 6 replicates (9 birds each) from 30 to 42 we...

This study consisted of three experiments performed on Ross 308 broilers. The first experiment (Exp. 1) was a bioassay in which the nitrogen-corrected apparent metabolizable energy (AMEn) of soybean acid oil (SAO) and its calcium salt (CSSAO) was measured to be 37.30 and 30.36 MJ/kg, respectively. The latter two experiments evaluated SAO and CSSAO...

This experiment was conducted to examine the effects of 1α-OH-D 3 either with or without cholecalciferol as well as two levels of dietary calcium (Ca) and phosphorus (P) on broiler chickens performance and tibia parameters. A total of 192 one day old mixed sex broiler chicks (Ross 308) were allocated to four treatments, each with 4 replicates. The...

The present experiment was conducted to examine the effects of threonine supplementation in low-protein diets on growth performance, jejunum morphology, and mucin-2 gene expression in meat-type Japanese quails. A total of 800 broiler quails were assigned to 8 dietary treatments based on a factorial arrangement (2 × 4) across 1-35-day period. Experi...

In total, 378 Shaver White layers were allocated into 7 treatments with 6 replicates, from 30 to 42 wk of age, to assess the effects dietary organic (ethylenediamine dihydroiodide [EDDI]) versus inorganic (calcium iodate [CIOD]) iodine in laying hens. A basal diet served as control while the remaining six diets were supplemented with either CIOD (C...

The current experiment was designed to examine effects of dietary supplemental sunflower hulls (SH) and rice hulls (RH) on growth performance, carcass traits, intestinal morphology, lesion score and oocyst shedding in broiler chickens exposed to coccidial challenge. A total of 540 broiler chickens (Ross 308) were assigned to six dietary treatments...

The experiment was conducted to investigate the effects of protein reduction and valine levels on growth performance, carcass characteristics, protein digestibility and SLC71 gene expression of Japanese quail. A total of 800 one day-old quails were given 8 dietary treatments, such that each treatment was replicated 5 times on 20 quail groups based...

Purpose During the apple processing procedures, a large amount of apple pomace is generated which is contains peel, core, seed, calyx, stem, and soft issue. The polyphenolic compounds in apple pomace are strong antioxidants that are able to counterbalance the free radicals; also, it is a rich source of many nutrients such as carbohydrates, minerals...

The current trial was conducted to study effects of dietary valine (Val) supplementation in low crude protein (CP) diets on performance, gut development and immune responses in broiler chickens. A total of 540 day-old broiler chicks (Ross 308) were assigned to 6 dietary treatments, comprising 6 replicates of 15 birds based on a factorial arrangemen...

The present experiment was conducted to investigate the effects of fiber and threonine (Thr) on growth performance, intestinal morphology and immune responses of broiler chickens. A total of 420 one-day-old mixed sex broiler chicks (Ross 308) were randomly divided into 6 experimental diets and 5 replicates of 14 chicks based on a factorial arrangem...

A study was conducted to investigate the effect of sequential and intermittent white, blue and green monochromatic lights on growth performance, some stress and physiological responses of broiler chickens. A total of 630 day-old broiler chicks (Ross 308) were randomly assigned to 9 light treatments replicated five times with 14 chicks in each repli...

The objective of this experiment was to investigate the effects of dried powder of Calendula officinalis L. (marigold) flower as an antibiotic growth promoter substitute on growth performance, organ weights, and immunological parameters in broiler chickens. A total of 240 mixed sex broiler chicks (Ross 308) at 1 d of age were individually weighed a...

Insulin-like growth factor-1 (IGF1) and anti-aromatase synergistically increase the rate and stability of female-to-male sex reversal as well as pre- and postnatal weight gains in hatched chickens. This study aimed at assessing gene expression profiles of chicken embryos treated with IGF1 and fadrozole. Day 3.5 fertile eggs were in ovo injected wit...

This experiment was conducted to investigate effects of in ovo injecting arginine (Arg), threonine (Thr) and Arg + Thr on humoral immunity, serum differential leukocyte counts and serum biochemical attributes in broiler chickens. Four hundred fertile eggs were randomly assigned to five experimental treatments including: control (none injected), sha...

The aim of this study was estimation of inbreeding coefficient and its effects on reproduction traits in Markhoz goats. Pedigree data of 1553 Markhoz goats which collected from 1993-2013 by Markhoz goat Performance Testing Station in Sanandaj, Kurdistan province of Iran, were analyzed for estimation of inbreeding coefficient. The number of inbred a...

The experiment was conducted to investigate the effect of stocking density and incremental methionine levels on performance, immune response, carcass traits, and digestive organs of broiler chicks. A total of 390 day-old broiler chicks (Ross 308) were allocated to six dietary treatments and five replicates base on 3 × 2 factorial arrangement in a c...

This experiment was conducted to investigate the effect of dietary 1α-hydroxycholecalciferol (1α-OH-D3) in calcium (Ca)- and phosphorous (P)-deficient diets on growth performance, carcass characteristics, tibia related parameters, and immune responses of broiler chickens. A total of 280 one-day-old broiler chickens (Ross 308) were assigned to 20 fl...

The current trial was conducted to investigate effects of tryptophan (Trp) supplementation in crude protein (CP) deficient diets on performance, gut development and immune responses in broiler chickens. A total of 420 day-old broiler chicks (Ross 308) were assigned to one of 6 dietary treatments, comprising 5 replicates in a completely randomized d...

This experiment was conducted to determine whether dietary cholecalciferol will alleviate a calcium and phosphorous (CaP) deficiency when 1α(OH)D3 is supplemented, and to determine the effects of adequate and inadequate CaP when 1α(OH)D3 is supplemented and vitamin D3 is adequate. A total of 144 one-d-old broiler chicks (Ross 308) were allocated to...

Objective: The experiment was conducted to evaluate effect of different levels of sumac (Rhus coriaria L.) fruit powder as an antibiotic growth promoter (AGP) substitution on performance, immune responses and serum lipid profile of broiler chicks. Materials and Methods: A totally of 260 one-day-old broiler chicks (Ross 308) were used in a completel...

PurposeDried lemon pulp (DLP) is a by-product of fruit processing industry and is containing active antioxidants such as flavonoids, isoflavones, and flavones. Thus, current experiment was carried out to evaluate the effect of dietary graded levels of DLP on performance, intestinal morphology, and humoral immunity in broiler chickens. Methods Accor...

Aim: The risk of bacteria resistance to specific antibiotics possibly by continuous subtherapeutical administration of antibiotic growth promoters (AGPs) in poultry feed led to a ban on the use of AGP in poultry production. As a result of this ban, alternative substances for poultry growth promotion and disease prevention are being investigated, am...

The current trial was designed to examine effects of sequential feeding of diets varying in energy and protein contents on performance, gut development, welfare indices, and immune responses of broiler chicks. A total of 240 one-day-old broiler chicks (Ross 308) were randomly allotted to 4 treatments with 5 replicates in a completely randomized des...

DNA uptake in the post-acrosomal region of the spermatozoa takes place exclusively in immotile spermatozoa that are naturally unable to fertilize eggs. The present study aimed to assess whether passive transmission of non-viral vectors to the surrounding areas of chicken embryos could be an alternate mechanism in chicken sperm-mediated gene transfe...

Current study was carried out to investigate the effects of adding milk thistle's extract to diet on blood lipids of broilers under heat stress. 350 one day old broilers from Ross-308 race were divided randomly into five groups and were studied in a completely randomized design with five replications and 14 broilers in each replication. Treatments...

This experiment was conducted to evaluate the effect of milk or molasses kefir as a probiotic on growth performance, carcass traits, serum biochemistry and humoral immune responses in broiler chickens. A total of 192 one-d-old as hatched broiler chicks (Ross 308) were randomly allotted to 4 treatments, each with 4 replicate pens of 12 chicks. The f...

The present study aimed at detection and species-level identification of the Malassezia yeasts in domestic animals and aquatic birds by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Samples were collected using tape strips and swabs from 471 animals including 97 horses, 102 cattle, 105 sheep, 20 camels, 60 dogs, 30...

This trial was conducted to investigate the effect of arginine (Arg), threonine (Thr) and Arg + Thr administered in ovo on growth performance, digestive organs and intestinal morphology in broiler chickens. On day 14 of incubation, 400 fertile eggs were randomly allotted to five experimental treatments through injection in the amniotic fluid includ...

Two experiments were conducted to investigate the effect of fibrous materials with one single diet or by choice feeding on performance, intestinal morphology, immunity, and fiber preference in broiler chicks. In experiment 1, 240-day-old chicks (Ross 308) were assigned to one of 4 treatments, comprising 5 replicates per treatment in a completely ra...

In total, 1400 1-day-old male Ross 308 broiler chicks were used to examine the effects of inclusion of alternative carbohydrate and protein sources in prestarter diets and the form of diet on subsequent performance, physiological development and carcass characteristics of broilers. The experimental diets were offered from 1 to 7 days of age and wer...

The experiment was conducted to investigate the effect of different ratio of pellet and mash diets on performance and gut development of Japanese quails. A total of 600 quails were used in completely randomized design with 6 dietary treatments and 5 replicates of 20 quails. Dietary treatments were included of: (A) control group (100% mash); (B) 50%...

Insulin-like Growth Factor-1 (IGF-I) is a key regulator of muscle development and metabolism in birds and other vertebrate species (Duclos, 2005). The early expression of IGF-I during the embryonic chicken development suggests that this peptide plays a significant role in chicken embryonic growth (Kocamis et al., 1998). The current study was conduc...

The objective of this study was to assess fear responses of broiler chicks to vitamin C, different shackling and crating times in preslaughter. In this study, tonic immobility (TI) was used as an index of fear reactions. At 42 d of age, 80 male broiler chicks were randomly selected for 8 treatments in the experiment. The treatment included treated...

The present study was carried out to evaluate the effect of different levels of acid whey powder (AWP) and low lactose acid whey powder (LLAWP) on growth performance and immunity of broiler chicks. A total of 416 one-day old broiler chicks (Ross 308) were randomly allocated to 1 of 8 isocaloric and isonitrogenous dietary treatments (4 pen replicate...

This study was performed to investigate the effect of dietary supplementation with nettle (Urtica dioica) and ginger (Zingiber officinale) as an antibiotic growth promoter on serum antioxidant capacity and immunity of broiler chicks. A total of 450 day-old broilers (Ross 308) were randomly assigned to six dietary treatments with five replicates. Th...

Objective To evaluate the effect of inclusion of three levels of anise seed (Pimpinella anisum L.) as an antibiotic growth promoter substitute on growth performance, carcass traits, and immune responses in broiler chickens. Methods Two hundred and forty, 1-day-old, hatched Ross broilers received a maize-soybean meal basal diet and were allocated r...

Background Mushroom wastes are widely left from mushroom production industries and have been supposed to possess prebiotic, antimicrobial, antifungal and antioxidant properties. Due to difficulties with using antibiotic growth promoters in poultry diet, mushroom wastes seem to be a proper substitute for them. Therefore, present experiment was carr...

Objective: To evaluate the effect of Tribulus terrestris L. (puncture vine) as an antibiotic growth promoter substitute on growth performance, carcass traits, and immune responses in broiler chickens. Methods: A total of 1 92 one-day-old as hatched broiler chicks (Ross 308) were randomly allocated to four treatment groups, with 4 replicates of 12 b...

This experiment in broiler chickens was conducted to test the efficacy of feeding 1alpha-OH D3 as a replacement for cholecalciferol on performance, tibia quality and severity of tibial dyschondroplasia (TD). On the day of hatch 96 as hatched broiler chickens (Ross-308) were weighted and randomly allocated to two treatment groups, each with 4 replic...

The aim of this study was to investigate the effects of Fadrozole hydrochloride and recombinant human insulin-like growth factor I (rhIGF-I) on female-to-male sex reversal, hatching traits, and body weight of broiler chickens. On the third day of incubation, fertile eggs were randomly assigned to five experimental groups comprising (i) Fadrozole (0...

This trial was conducted to examine the effect of betaine on performance, humoral immunity, small intestinal morphology and blood osmotic pressure parameters of broiler chicks consumed different levels of water salinity. Total of 520 day-old broiler chicks (Ross 308) were used with 2×4 factorial arrangement in completely randomized design. Experime...

The current study was conducted to evaluate effects of sequential or wet feeding programs subsequent to and early meal feeding regime on performance, carcass characteristics and humoral immunity in broiler chicks. 192 Ross 308 chicks (seven-day old) were allocated to four treatments at four replicates (12 chicks per plot) based on a Completely Rand...

Feeding high crude protein diets are resulted in excess of amino acid and elevated nitrogen excretion in broiler chickens. Furthermore, supplementing the crystalline amino acid into broilers diet might increase the nitrogen retention efficiency through making balance between maintenance and tissue accretion needs. Threonine is an essential amino ac...

Marshmallow (Althaea officinalis L.) is belonging to Malvaceae family. Previous studies have shown that this plant has many physiological effects on hormone systems. The goal of this study was investigating the effect of root extract of this plant on concentrations of thyroid hormones in broilers. 240 broilers were divided into four groups with fiv...

Background & Aim: Ferulago angulata sub. carduchorum (ref. to locally Chavir or Chavil) is an important medicinal plant in Iran. The powder of aerial parts of this plant contains variety of components with different therapeutical effects such as antioxidant activities (AOA). This study was conducted to investigate the effect of dietary supplementat...

This experiment was conducted to investigate the effect of wet feeding and enzyme supplementation on performance, carcass traits, and immune responses of broiler chickens. Total of 280-day-old Ross 308 broiler chicks were used in factorial arrangement (2�2) in a completely randomized design with 4 dietary treatments and 5 replicates of 14 chickens....

Objective The trial involved 240 Ross 308 broiler chicks in order to investigate the effects of Mentha pulegium L. (pennyroyal) on performance, carcass traits and immune responses in broiler chickens.Methods Birds were assigned to 4 treatments: control feed, antibiotic group receiving 4.5 mg/kg flavophospholipol, and 5 and 10 g/kg pennyroyal powder...

This study was conducted to study the effect of supplemental chromium on reproductive performance of dairy cows. Thus, forty multiparous Holstein cows (parity 3) were allocated to two treatments and 20 replicates in a completely randomized design. In this study, treatments consisted of: control group, which received no chromium supplementation and...

This experiment was conducted to evaluate the effect of different levels of Aloe vera (Aloe barbadensis Miller) gel in comparison with flavophospholipol antibiotic growth promoter on immune responses of broiler chicks. In this trial 288 one day-old broiler chicks (Ross 308) were weighed and assigned to six treatments with four replicates in a compl...

This experiment was conducted to evaluate effect of in ovo injection of arginine (Arg) and threonine (Thr) on performance and digestive organ development broiler chicks. Four hundred Ross 308 broiler eggs were injected into the amnion at d 14 of incubation in five treatments: control eggs (no injection), Sham (0.5 mL 0.5% saline water injected eggs...

This study assessed the effects of in ovo administration of fadrozole hydrochloride (FH) and insulin-like growth factor 1 (IGF-I), on sexual differentiation and growth performance of broiler chickens. On day four of incubation 600 fertile eggs were divided into five groups including uninjected control, vehicle injected control (10 mM acetic acid an...

This study was conducted to evaluate the impact of different post-hatch diets varying in nutrient composition and moisture on productive traits and intestine morphology in broilers. 600 day-old chicks were randomly allocated to 10 treatments including a control diet supplemented by casein and dextrose (CD), casein and starch (CS), gluten and dextro...

Microcrystalline Hydroxyapatite Complex (MCHA Complex) contains organic macro and micro elements in amino acid chelated form. Regarding to high availability of phosphorus in MCHA complex, this experiment was conducted to evaluate the impact of dietary MCHA complex on growth performance, and tibia phosphorous and calcium concentrations in of broiler...

This study was conducted to determine the impacts of two levels of oyster mushroom (Pleurotus ostreatus) powder on productive and carcass traits, humoral immune responses, and blood characteristics of Ross 308 male broiler chicks reared to 42 d of age in comparison with a prebiotic supplement. Two hundred and forty, day-old male broiler chicks (Ros...

The major pathogens causing mastitis were evaluated by multiplex-polymerase chain reaction (M-PCR) with self-designed primers in four quarters of the first, third, and fifth parities in industrial, semi-industrial, and traditional dairy cattle farms in Iran. With the incidence of infection in the quarters by Staphylococcus aureus and Streptococcus...

The effect of fasting and early diet composition on productive performance of broiler chickens was investigated in this study. Total 300 day-old male broilers (Ross 308 breed) were randomly assigned to five feeding system including control (Group 1), fasted for 48 h (Group 2), feeding a diet containing 15% egg powder for 48 h (Group 3), feeding a d...

This study examines the relationship between familial cultural capital and the religious identities of youth. The statistical community comprised youths between 18 and 30 years of age currently studying undergraduate courses at the Islamic Azad University of Khorasgan (Esfahan). The sampling method was random graded, and 370 students were selected...

This experiment was conducted to examine the effect of neem (Azadirachta indica) as an antibiotic growth promoter substitute on growth performance, carcass traits, and humoral immune responses in broiler chickens. A total of 192 one-d-old mixed sex broiler chicks (Ross 308) were weighted and randomly allocated to four treatment groups, each with 4...

This study was conducted to determine the effects of dietary supplementation with Cr nicotinate and Cr chloride and their optimum inclusion rate on performance, carcass traits, meat oxidative stability, serum metabolites, hematological parameters, and liver chromium concentration in heat-stressed broilers. A total number of 420, 1-day-old male broi...