Nasir Landy

• Ph.D of poultry nutrition + Postdoc
• Islamic Azad University of Shahrekord

Background & Aim: The present study was carried out to evaluate the effects of Salvia mirzayanii (SM) as an antibiotic growth promoter’s alternative on growth performance, carcass characteristics, and some of the immune responses in broiler chickens. Experimental: A total of 192 one-d-old female chicks (Ross 308) were raised in 16 randomly allotted...

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...

The current study was carried out to examine the effects of dietary supplementation of cottonseed protein hydrolysate (CPH) as an alternative to in-feed antibiotics on growth performance, carcass characteristics, immunity, jejunum morphology, coliform bacteria of ileum, and total antioxidant capacity (T-AOC) of serum in Japanese quails. A total of...

This experiment was designed to assess the efficacy of dietary inclusion of cottonseed protein hydrolysate (CPH) as a substitute to in-feed antibiotics on performances, carcass characteristics, immunity, microbial and morphological respond of the small intestine and total antioxidant capacity (T-AOC) of serum, and small intestine in broiler chicken...

The aim of studywas to compare efficacy of 1-α(OH)D3 alone or in combination with phytase and 1-α(OH)D3 in combination of phytase and different concentration of cholecalciferol on performance, tibia parameters, andplasma minerals of quails fed CaP deficient diet. A total of 280 mixed sex 5-d-old quails were allocated to 7 treatments with 5 replicat...

Background A study was undertaken to assess the effect of bioactive peptides derived from cottonseed (BPC) supplementation on productive performance, egg quality, and total antioxidant capacity (TAC) of serum and yolk in laying hens. A total of seventy-two 22-week-old Bovans White hens were randomly allocated to 12 cages to have similar cage body w...

This experiment was conducted to examine the effect of multi-strain probiotic (Primalac) on performance, immune responses and cecal microflora in broiler chickens under cyclic heat stress condition. A total of 96 one-d-old mixed sex broiler chicks (Ross 308) were weighed and randomly allocated to two treatment groups, each with 4 replicate pens of...

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...

This experiment aimed to examine the effect of periodical application of bioactive peptides derived from cottonseed (BPC) in comparison with using sub-therapeutic doses of lincomycin and the excessive inclusion of vitamin E on performance, immunity, total antioxidant capacity of serum and intestinal morphology of broiler chickens. A total of 240 on...

This experiment was conducted to examine the effects of 1-α(OH)D3 alone or in combination with different levels of cholecalciferol on performance, and tibia parameters of one-d-old male broilers fed a tibial dyschondroplasia (TD)-inducing diet. A total of three hundred male broilers were randomly allocated to 5 treatment groups with 4 replicates. T...

The objective of the present experiment was to evaluate the effect of bioactive peptides derived from cottonseed (BPC) on chicken performance, immunity, the total antioxidant activity of serum and intestinal morphology. A total of 280 one-day-old male broiler chicks (Ross 308) were randomly allocated into 1 of the following 7 experimental treatment...

This experiment was conducted to examine the effects of 1-α(OH)D3 alone or in combination with different levels of cholecalciferol on performance, and tibia parameters of one-d-old male broilers fed a tibial dyschondroplasia (TD)-inducing diet. A total of three hundred male broilers were randomly allocated to 5 treatment groups with 4 replicates. T...

This experiment was conducted to examine the effects of dietary L-arginine (Arg) supplementation on growth performance, intestinal morphology, serum biochemical and hematological parameters in meat-type quails. A total of one hundred and sixty 7-d-old male quail chicks were weighed and allocated to four treatment groups of four replicates, with 10...

Objectives: The objective of the present experiment was to evaluate the effect of bioactive peptides derived from cottonseed (BPC) in comparison with an antibiotic growth promoter (AGP) and excessive dietary vitamin E on chicken growth performance, carcass traits, immunity, total antioxidant activity of serum and intestinal morphology. Materials &...

Objectives: This study was carried out to evaluate the effects of 1alpha-Hydroxycholecalciferol (1-α(OH)D3) alone or in combination with microbial phytase and different levels of cholecalciferol on performance, and tibia and serum parameters of five-d–old as-hatched broiler quails (Coturnix japonica) fed a calcium and phosphorus deficient (Ca-P def...

Objectives: This experiment was conducted to examine the effects of 1-α(OH)D3 alone or in combination with different levels of cholecalciferolon performance, and tibia parameters of one-d–old male broiler chickens fed a tibial dyschondroplasia (TD)-inducing diet. Materials & Methods: A total of three hundred male broiler chickens (Ross 308) were ra...

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...

مقدمه و هدف: افزودنی­های خوراکی با هدف تحریک اشتها، بهبود عملکرد و ارتقاء عملکرد سیستم ایمنی به طور گسترده­ای در تغذیه­ی دام و طیور استفاده می­شوند. برای سال­های طولانی پادزی­ها جهت افزایش رشد در تغذیه­ی دام و طیور مورد استفاده قرار گرفته­اند. پس از ممنوعیت استفاده از پادزی­ها در سطوح پایین­تر از سطوح مورد استفاده جهت درمان و افزایش تقاضا برای محصو...

This study was conducted to evaluate the effects of 1 alpha-hydroxycholecalciferol (1-α(OH)D3) individually or in combination with different concentrations of cholecalciferol on growth performance and tibia criteria of 3- day-old broiler chickens fed diets deficient in Ca and phosphorus P. A total of 300 hatched broiler chickens were weighed and ra...

ABSTRACT. The effect of 1α-OH-D3 in calcium-phosphorus (Ca-P) deficient diets on Japanese quail growth performance and tibia parameters was investigated. Eight-day-old (n = 160) newly hatched quails were weighed and randomly allocated to 20 groups, each with 4 replicate pens of 8 birds. Treatments were as follows: T1, Ca-P-adequate; T2, Ca-P-defici...

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...

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...

The present study was to evaluate thyme and ajwain as antibiotic growth promoter substitutions on growth performance, carcass characteristics and serum biochemistry in Japanese quails (Coturnix japonica). A feeding trial was conducted over 28 d with 4 groups of Japanese quails fed experimental diets formulated to provide no supplementation (control...

Aim An in vivo experiment was conducted to investigate the effect of different levels of ethanolic extract of propolis, on growth performance, carcass traits, serum biochemistry, and humoral immune responses of chickens, as compared with the antibiotic flavophospholipol. Materials and Methods 312 1-day-old as-hatched broiler chicks (Ross 308) were...

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...

Purpose: This study was carried out for detection of possible polymorphisms in Booroola gene (FecB) and growth differentiation factor 9 [GDF9] in Lori sheep breed. Methods: Blood samples were taken from the jugular vein of the sheep and their DNA content extracted using modified salting-out method. The quantity and quality of extracted DNA was exam...

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...

Objective: To examine the effect of onion (Allium cepa L.) as an antibiotic growth promoter substitute on growth performance, carcass traits, and microflora composition in broiler chickens. Methods: A total of 192 one-day old mixed sex broiler chicks (Ross 308) were weighed and randomly allocated to four treatment groups, each with 4 replicate pens...

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...

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...

This experiment was conducted to examine the effects of different levels of edible mushroom (Agaricus bisporus) in comparison with an antibiotic growth promoter (flavophospholipol) on intestinal morphology and microflora composition in broiler chicks. In this trial 180 nine-day-old mix sexes broiler chicks (Ross 308) were weighed and randomly alloc...

Objective This trial was conducted to examine the effect of usage different levels of ethanolic extract of peppermint (Mentha piperita) in drinking water in comparison with an antibiotic growth promoter (Virginiamycin) on the growth performance, and carcass traits of broiler chicks.Methods Birds were assigned to 5 treatments: control feed, antibiot...

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 experiment was conducted to evaluate the effects of different levels of edible mushroom (Agaricus bisporus) in comparison with an antibiotic growth promoter (flavophospholipol) on performance, carcass characteristics and immune responses of broiler chicks. In these trial 180 nine day old mix sexes broiler chicks (Ross 308) were weighed and ran...

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 examine the effects of different levels of Satureja hortensis L. (Savory) incomparison with an antibiotic growth promoter (flavophospholipol) on performance, carcasscharacteristics, immune responses and serum biochemical parameters of broiler chicks. In this study,240 one-day-old mixed sex broiler chicks (Ross 308) were...

This experiment was conducted to examine the effects of using different forms and levels of Echinacea purpurea L. (EP) in comparison with an antibiotic growth promoter (flavophospholipol) on performance, carcass characteristics and immune responses of broiler chicks. In this trial, 336 one-day-old broiler chicks (Ross 308) were weighted and randoml...

This experiment was conducted to examine the effect of different levels of neem (Melia Azadirachta) in comparison with an antibiotic (flavofosfolipol) on humoral immune responses of broiler chicks. In this trial 192 one-day-old broiler chicks (Ross 308) were weighted and randomly assigned to the 4 treatment groups, each with 4 replicates with 12 br...

This experiment was conducted to examine the effect of dried aerial part powder of Echinacea purpurea (EP) in comparison with an antibiotic (flavofosfolipol) on total antioxidant activity (AOA) in serum of broiler chicks. In this trial 192 one-day-old broiler chicks (Ross 308) were randomly allocated to the 4 treatment groups, each with 4 replicate...