scholarly journals Effects of commercial layer feed supplementation on haematological and reproductive parameters of indigenous duck in rural area

2016 ◽  
Vol 5 (1) ◽  
pp. 35-40 ◽  
Author(s):  
F Akter ◽  
MMR Howlader ◽  
MK Hossain ◽  
MMI Hasan ◽  
S Islam ◽  
...  
Keyword(s):  
Body Weight ◽  
Egg Production ◽  
Body Weight Gain ◽  
The Body ◽  
Total Leukocyte Count ◽  
Control Group ◽  
Feed Supplementation ◽  
Commercial Feed ◽  
Haematological Profile ◽  
Haemoglobin Content

This study was carried out to evaluate the effects of supplementation of commercial layer feed on body weight, egg production and haematological profile of the laying ducks rearing under the rural condition of Bangladesh. Twenty indigenous ducks (Khaki Campbell x Local duck) of 24 weeks old was selected from a farm and randomly divided into four equal groups (n=5) and numbered as group T0, T1, T2 & T3. The different amount of feed was supplied into four groups for three months. The all four groups (T0, T1, T2 and T3) were fed with routine feeding in scavenging condition. But T1 group supplemented with 120 gm, T2 group 60 gm and T3 group 30 gm of commercial feed. Significant differences were found in both egg production and haematological profile of ducks in compared to control group. Egg production was significantly (P<0.01) higher in T1 group compared to other groups. During the study the body weight gain were shown the same pattern being significantly (P<0.05) higher in T1 group compared to T0, T2 and T3 groups. On the other hand, the values of total erythrocyte count (TEC), total leukocyte count (TLC), haemoglobin content (Hb) and packed cell volume (PCV) increased significantly (P<0.05) in the groups of T1 and T2 compared to the control group (T0). But the value of MCV, MCH and MCHC of T1, T2 & T3 groups decreased significantly (P<0.05) than that of the control group. Results of the present study revealed that the amount of supplementation of commercial layer feeds was very important for improving the haematological profile and egg production of ducks. So, the additional commercial layer feed supplementation may be beneficial for duck farming.International Journal of Natural Sciences (2015), 5(1) 35-40

L-Ascorbic Acid Addition to Chitosan Reduces Body Weight in Overweight Women

2014 ◽  
Vol 84 (1-2) ◽  
pp. 5-11 ◽  
Author(s):  
Eun Y. Jung ◽  
Sung C. Jun ◽  
Un J. Chang ◽  
Hyung J. Suh
Keyword(s):  
Ascorbic Acid ◽  
Body Weight ◽  
Fat Body ◽  
Body Weight Gain ◽  
Skinfold Thickness ◽  
The Body ◽  
Control Group ◽  
Percentage Body Fat ◽  
Overweight Women ◽  
Body Weights

Previously, we have found that the addition of L-ascorbic acid to chitosan enhanced the reduction in body weight gain in guinea pigs fed a high-fat diet. We hypothesized that the addition of L-ascorbic acid to chitosan would accelerate the reduction of body weight in humans, similar to the animal model. Overweight subjects administered chitosan with or without L-ascorbic acid for 8 weeks, were assigned to three groups: Control group (N = 26, placebo, vehicle only), Chito group (N = 27, 3 g/day chitosan), and Chito-vita group (N = 27, 3 g/day chitosan plus 2 g/day L-ascorbic acid). The body weights and body mass index (BMI) of the Chito and Chito-vita groups decreased significantly (p < 0.05) compared to the Control group. The BMI of the Chito-vita group decreased significantly compared to the Chito group (Chito: -1.0 kg/m2 vs. Chito-vita: -1.6 kg/m2, p < 0.05). The results showed that the chitosan enhanced reduction of body weight and BMI was accentuated by the addition of L-ascorbic acid. The fat mass, percentage body fat, body circumference, and skinfold thickness in the Chito and Chito-vita groups decreased more than the Control group; however, these parameters were not significantly different between the three groups. Chitosan combined with L-ascorbic acid may be useful for controlling body weight.

scholarly journals THE USE OF BIOSTIMULANT FOR INCREASING THE BODY WEIGHT GAIN OF CHICKENS

2020 ◽  
Vol 17 (35) ◽  
pp. 800-812
Author(s):  
Ilgiz DOLININ ◽  
George BAZEKIN ◽  
Evgeny SKOVORODIN ◽  
Almaz SHARIPOV ◽  
Ivan CHUDOV
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
Live Weight ◽  
The Body ◽  
New Drugs ◽  
Natural Resistance ◽  
Control Group ◽  
Immunological Parameters

Poultry farming holds a special place in ensuring the products that the consumers demand, it provides the population with essential food products,such as eggs and meat,that contain vital micro and macronutrients, proteins, lipids, and vitamins. Therefore, the issues of rational, economically feasible feeding of meat poultry, namely broiler chickens, are an urgent task. It is also essential to find effective methods of their application in order to correct the natural resistance and immune and biological reactivity of birds. The purpose of this research is to study the effect of the biological stimulant-Nucleostim on the growth and development of chickens, hematological, and immunological parameters of the blood of birds.This Biostimulant is a purified bovine spleen extract containing at least 1 mg / ml of low molecular weight peptides (nucleotides and nucleosides) formed as a result of autolysis, using dry whey and diatomite as fillers. Onthe application ofNucleostim, the gain in live weight of chickens was increased by 9.7%. At the end of the experiment, the livability of the chicks of the experimental group treated with Nucleostimcame up to 88%, compared with the 72% of the control group. The use of biostimulant had a stimulating effect on the liver of chickens confirmed by the research results presented in the article, as well as contributed to the development of the thymus in the setting of general dystrophy. Thus, it improved chicklivability and increased body weight gain. The biological stimulant-Nucleostim as an adaptogenic, anabolic, and immunostimulatory agent is promising for finding new drugs that improve the health and productivity of poultry.

scholarly journals The Influence of the Mineral-Microbial Preparation on Ammonia Concentration and Productivity in Laying Hens Houses

Atmosphere ◽  
2019 ◽  
Vol 10 (12) ◽  
pp. 751 ◽  
Author(s):  
Remigiusz Gałęcki ◽  
Michał Dąbrowski ◽  
Tadeusz Bakuła ◽  
Kazimierz Obremski ◽  
Adriana Nowak ◽  
...  
Keyword(s):  
Body Weight ◽  
Linear Correlation ◽  
Egg Production ◽  
Laying Hens ◽  
Animal Health ◽  
The Body ◽  
Control Group ◽  
Microbial Composition ◽  
Experimental Group ◽  
Campylobacter Spp

The aim of this study was to evaluate the influence of the biopreparation Deodoric® on ammonia (NH3) concentration, performance, and hygiene standards in laying hen (ROSS-308) production. Statistically significant differences in NH3 concentration and the body weight of laying hens were observed between the control group (C) and the experimental group (E) where Deodoric® was applied at the set dose. In the control group, an increase in NH3 concentration could have contributed to the decrease in the body weight of laying hens, egg production, and % hen day egg production, whereas no such correlations were observed in the experimental group. A moderate linear correlation between NH3 concentration vs. humidity (r = 0.68), air flow (r = 0.48) and weakly linear correlation between NH3 concentration and age of birds (r = 0.27) was noted in group C. In group E, NH3 concentration vs. temperature (r = 0.27) and humidity (r = 0.14) were weakly correlated. Statistical analysis of changes in the microbial counts isolated from manure revealed a significant decrease of mesophilic microorganisms on day 28 decrease of Campylobacter spp. days 14 and 84 in group E. However, for the entire experimental model no statistically significant changes in the number of Campylobacter spp. and mesophilic bacteria were found. The tested preparation did not cause changes in the microbial composition of tissue swabs. Deodoric® contributes to animal welfare by reducing the ammonia concentrations in poultry houses. It is also recommended for use in poultry farms to improve animal health and performance and to generate benefits for producers.

scholarly journals Effect of arginine or glutamine supplementation on production, organ weights, interferon gamma, interleukin 6 and antibody titre of broilers

2014 ◽  
Vol 62 (3) ◽  
pp. 348-361 ◽  
Author(s):  
József Szabó ◽  
Emese Andrásofszky ◽  
Tamás Tuboly ◽  
András Bersényi ◽  
Andrea Weisz ◽  
...  
Keyword(s):  
Immune Response ◽  
Body Weight ◽  
Weight Gain ◽  
Interferon Gamma ◽  
Interleukin 6 ◽  
Egg Production ◽  
Body Weight Gain ◽  
The Body ◽  
Glutamine Supplementation ◽  
Organ Weights

The objective of this study was designed to test whether supplementation of the diet with arginine (Arg) or glutamine (Gln) or their combination influences the production, organ weights and humoral immune response of broilers. A total of 432 one-day-old male Ross 308 broiler chickens were divided into 6 treatment groups: control, Arg-0.5%, Arg-1%, Gln-0.5%, Gln-1% and Arg-0.5%+Gln-0.5%. Drinking water and feed were provided ad libitum. On day 18 of the experiment 50% of chickens in each treatment group were immunised with bovine serum albumin. Ten and 21 days after immunisation blood samples were collected to determine the anti-albumin IgY titre, interleukin 6 (IL6) and interferon gamma (IFNG) and to measure the weight of the liver, spleen, bursa of Fabricius and thymus. Arg or Gln supplementation of the diets influenced neither the production nor the organ weights until 18 days of age. Between 18 and 39 days of age both Arg (0.5% and 1%) and Arg + Gln supplementation improved the feed conversion ratio (FCR) by 3.7%, 6.3% and 4.9%, respectively, while Gln-1% worsened it by 15%. Immunisation slightly (−0.79%) depressed the body weight gain of broilers fed the control diet, which was significantly improved by both Arg (0.5 or 1%) and Arg + Gln supplementation. Immunisation increased the weight of the spleen, bursa and thymus and decreased that of the liver. Supplementation with 1% Gln depressed (−5.13%) the body weight gain of the immunised chickens but strongly stimulated the immune response. Supplementations with Arg and Gln did not influence the IL6 and IFNG level of the blood; however, on day 10 after immunisation these two parameters showed a negative correlation with each other. Regarding production, organ weights and immunity, Arg supplementation should be recommended in the grower phase, while Gln supplementation can be useful in pullets raised for egg production, where a good immune response to vaccinations is an important factor.

scholarly journals Comparative Efficacy of Barbados Lilac, Pineapple And Benazol® Against Gastrointestinal Nematodes in Cattle

2013 ◽  
Vol 19 (1) ◽  
pp. 51-59
Author(s):  
MR Amin ◽  
M Mostofa ◽  
MA Awal ◽  
ML Sharmin
Keyword(s):  
Body Weight ◽  
Water Extract ◽  
Gastrointestinal Nematode ◽  
Experimental Period ◽  
Gastrointestinal Nematodes ◽  
The Body ◽  
Ananas Comosus ◽  
Total Leukocyte Count ◽  
Melia Azedarach ◽  
Control Group

The effect of barbados lilac (Melia azedarach, Linn., @100 mg/kg bwt. ), pineapple (Ananas comosus, Merr., @100mg/kg bwt.) and Benazol® (albendazole, @7.5 mg/kg bwt.) against natural gastrointestinal nematodes were studied in cattle. Their effect of TEC, Hb, PCV, TLC, ALT, AST and body weight were observed. Twenty four (24) naturally parasitized cattle of BAU Dairy Farm, Mymensingh were randomly divided into four groups, each consisting of six (6) cattle. Water extract of leaves of barbados lilac and pineapple were administered orally to the cattle of group A and B, respectively. Cattle of group C were treated with Benazol® orally. Cattle of group D was kept as infected control group. Fecal samples, body weight, hematological and biochemical parameters were examined before treatment and on 3rd, 10th, 17th and 28th day. A significant (p<0.01) reduction of EPG count was found following administration of barbados lilac (39.11-60.07%), pineapple (29.50-45.36%) and Benazol® (62.19-90.44%) in cattle. Whereas EPG increased significantly (p<0.01) in control group throughout the experimental period. After treatment with barbados lilac, pineapple and Benazol®, total erythrocyte count (TEC), hemoglobin (Hb) content and packed cell volume (PCV) were gradually increased significantly (p<0.01 and p<0.05) in cattle. Conversely, the total leukocyte count (TLC) were decreased significantly (p<0.01 and p<0.05) in treated cattle. The alanine aminotransferase (ALT) and aspartate aminotransferase (AST) level were not significantly changed in the cattle. The body weight was increased significantly (p<0.01 and p<0.05) in barbados lilac, pineapple and Benazol® treated cattle.In contrast, body weight was decreased in control group. The present study reveals that water extracts of barbados lilac leaves were moderately effective and pineapple leaves were relatively less effective against mixed gastrointestinal nematode infections in cattle.DOI: http://dx.doi.org/10.3329/pa.v19i1.17107 Progress. Agric. 19(1): 51 - 59, 2008 

scholarly journals Factors Influencing the Vaccination Programme for Newcastle Disease in Bangladesh: Disease Outbreaks, Haemagglutination-Inhibition Titres and Production under Field Conditions

1970 ◽  
Vol 24 (2) ◽  
pp. 90-94
Author(s):  
M Rayhan Faruque ◽  
Jens P Christensen ◽  
Magne Bisgaard ◽  
Bibek Chandra Roy ◽  
Paritosh Kumar Biawas
Keyword(s):  
Body Weight ◽  
Newcastle Disease ◽  
Vaccination Programme ◽  
Egg Production ◽  
Body Weight Gain ◽  
Haemagglutination Inhibition ◽  
Primary Vaccination ◽  
The Body ◽  
Intramuscular Route ◽  
Infective Dose

The study was undertaken to examine the immune response of birds following the present Newcastle disease (ND) vaccination programme by haemagglutination-inhibition (HI) test (β-procedure) from three study regions. This study also investigated factors possibly influencing the success of the vaccination programme. Though, those three farms had followed the different vaccination schedules, but using the same ND vaccines. Haemagglutination-inhibition (HI) titres at day-old were lower in Central Poultry Farm, Mirpur than Government Poultry Farms Jamalganj, Joypurhat and Bogra. Birds of these three farms did not persist challenge at day-old, because minimum HI titre for challenge was 24. But after introduction of ND vaccines, the HI titres showed the protective level (>24). The HI titres were lower in Mirpur after introduction of ND vaccines than Joypurhat and Bogra. The EID50 of ND vaccines were determined before introduction to test the potency of vaccines. The embryo infective dose fifty (EID50) of BCRDV (ND-F strain) was 107.67 and the EID50 RDV (ND-‘M' strain) was 107.46 EID50. It was done in the specific pathogen free (SPF) embryonating chicken eggs of 9-11 days of incubation. The bird mortality (%) at three different farms was different from week 1 to week 30. The body weight gain of birds at 3 different farms was different. It was also related to hen day egg production percentage. The body weight of birds of the 3 farms was different from week 2 to week 30. The intraocular vaccination of chicks with BCRDV (ND-F strain) at day 5 or day-old followed by vaccination with RDV (ND-M strain) by intramuscular route 8 weeks after primary vaccination and also before laying revaccination with RDV (ND-M strain) by intramuscular route would be a safe and efficient vaccination schedule. Keywords: Newcastle disease (ND) virus, Vaccine, Haemagglutination-inhibition (HI) test, Embryo infective dose fifty (EID50)DOI: http://dx.doi.org/10.3329/bjm.v24i2.1250 Bangladesh J Microbiol, Volume 24, Number 2, December 2007, pp 90-94

scholarly journals Effect of the dietary inclusion of the growth promoter avoparcin on the performance and carcass characteristics of growing goat kids

2018 ◽  
Vol 50 (1) ◽  
pp. 25
Author(s):  
V. A. BABIDIS (Β. Μ. ΜΠΑΜΠΙΔΗΣ) ◽  
P. FLOROU-PANERI (Π. ΦΛΩΡΟΥ-ΠΑΝΕΡΗ) ◽  
D. KUFIDIS (Δ. ΚΟΥΦΙΔΗΣ) ◽  
A. B. SPAIS (A.B. ΣΠΑΗΣ)
Keyword(s):  
Body Weight ◽  
Body Weight Gain ◽  
The Body ◽  
Feed Consumption ◽  
Control Group ◽  
Spleen Weight ◽  
Growth Promoter ◽  
Feed Conversion ◽  
Daily Consumption ◽  
Indigenous Goat

A trial was conducted with 32 indigenous goat kids (Capra prisca) 8,5 weeks old to examine the effectiveness of dietary avoparcin as growth promoting factor. The kids were randomly allocated into two groups (control- and avoparcin group with initial mean body weight of 11,61 ±1,16 kg and 11,57±1,47 kg, respectively) comprising of 16 kids (8 male and 8 female) each. For a period of 12 weeks, kids in the control group were given lucerne (alfalfa) hay (mean daily consumption 170 g/head) and an appropriate compound diet (given ad libitum), while kids in the avoparcin group were fed the same diet except that the compound diet was supplemented with avoparcin (20 mg/kg). Avoparcin supplementation significantly (P<0.05) improved final mean body weight by 10.57% (19.24 ± 2.33 kg vs. 17.40 ± 2.30 kg), body weight gain (BWG) by 32.30% (7.66 ± 1.42 kg vs. 5.79 ± 1.74 kg), mean daily feed consumption in dry matter basis (DM) by 14.24% (551.80 ± 31.60 g DM vs. 483.02 ± 28.94 g DM), feed conversion ratio by 13.62% (6.09 ± 0.47 kg DM consumption/kg BWG vs. 7.05 ± 0.56 kg DM consumption/kg BWG) and carcass weight by 14.86% (11.44 ± 1.48 kg vs. 9.96 ± 1.76 kg). Moreover, no significant differences (P>0.05) were noticed neither in carcass yield and carcass chemical composition nor in percentages of small intestine-, major omentum-, lung-,heart-, liver- and spleen weight in the body weight.

scholarly journals INTOXICAÇÃO SUBAGUDA AO MANGANÊS EM RATOS WISTAR ADULTOS: AVALIAÇÃO DE PARÂMETROS OXIDATIVOS NO SNC E DEPOSIÇÃO DO METAL EM DIFERENTES TECIDOS

2018 ◽  
Vol 7 (2) ◽  
pp. 193-210
Author(s):  
Maria Victória Branco Flores ◽  
Tuany Eichwald ◽  
Analú Mantovani ◽  
Viviane Glaser ◽  
Carine Raquel Richter Schimitz ◽  
...  
Keyword(s):  
Body Weight ◽  
Mitochondrial Function ◽  
Complex I ◽  
Body Weight Gain ◽  
Thiobarbituric Acid ◽  
Significant Inhibition ◽  
The Body ◽  
Control Group ◽  
Peripheral Tissues ◽  
The Brain

O Manganês (Mn) é um metal essencial para o organismo. É distribuído no ambiente e utilizado em processos industriais. Apesar de essencial, é neurotóxico à exposições cumulativas, causando uma desordem neurológica, o Manganismo. O estudo avaliou o efeito da administração subaguda de Mn sob a forma de cloreto e acetato de Mn, sobre a função mitocondrial e parâmetros oxidativos no encéfalo, bem como o acúmulo deste metal no encéfalo e tecidos periféricos de ratos adultos. Os ratos receberam 6 mg/kg de Mn i.p. na forma de cloreto ou acetato de Mn, 5 dias/semana por 4 semanas. O grupo controle recebeu solução salina 0,9% pela mesma via de administração e mesmo período. Foi mensurada a concentração de substâncias reativas ao ácido tiobarbitúrico (TBARS) e grupamentos NPSH, a atividade dos complexos I e II da cadeia respiratória no encéfalo e/ou estruturas cerebrais, bem como o peso corporal e a concentração de Mn e Fe no soro, encéfalo, tecido renal e hepático. Foi observada uma diminuição no ganho de peso corporal dos animais que receberam o Mn, um aumento na concentração/depósito de Mn no soro, encéfalo e tecido renal, tanto na forma de cloreto e acetato de Mn, quando comparados com o grupo controle. Além disso, houve um aumento significativo no conteúdo de NPSH no encéfalo e, embora não significativo, uma tendência de aumento da concentração de TBARS, no grupo que recebeu cloreto de Mn. Ainda, foi verificada uma inibição na atividade do complexo I no estriado dos animais expostos ao cloreto de Mn. Não houve diferença entre os grupos nas atividades do complexo I e II no encéfalo e hipocampo. Em conjunto, os dados indicam que a exposição ao Mn em baixas doses contribui para o desenvolvimento de estresse oxidativo e disfunção mitocondrial no SNC, com aparente predileção de dano ao estriado.Palavras-chave: Manganês. Exposição subaguda. Parâmetros oxidativos. Função mitocondrial. MANGANESE SUBACUTE INTOXICATION IN ADULT WISTAR RATS: EVALUATION OF OXIDATIVE PARAMETERS IN CNS AND METAL DEPOSITION IN DIFFERENT TISSUES ABSTRACT: Mn is an essential metal to the organism. It is distributed in the environment and used in industrial processes. Although essential, it is neurotoxic to cumulative exposures, and can cause a neurological disorder, called Manganism. This study evaluated the effect of subacute Mn as chloride and acetate of Mn administration on mitochondrial function and oxidative parameters in adult rat brain, as well as the accumulation of this metal in the brain and peripheral tissues. The rats received 6 mg/kg of Mn i.p., as Mn chloride or Mn acetate, 5 days/week for 4 weeks. The control group received 0.9% of saline solution in the same way of administration and in the same period. It was measured the concentration of thiobarbituric acid reactive substances (TBARS) and NPSH groups, the activity of mitochondrial complex I and II in brain and/or in the brain structures, as well as the body weight and the concentration of Mn and Fe accumulation. It was observed a decrease on body weight gain in animals exposed to Mn and an increase of concentration/deposit of Mn in serum, brain and kidney, in the both Mn chloride and acetate form when compared to the control group. In addition, there was a significant increase in brain NPSH content and, although it was not significant, a trend of increasing on TBARS concentration in the group that received Mn. Besides that, a significant inhibition of complex I activity was observed in the striatum of the animals exposed to Mn. There was not difference between groups on complex I and II in the brain and hippocampus. Together, these data indicate that exposure to Mn at low doses contributes to the development of oxidative stress and mitochondrial dysfunction in the CNS, with apparent predilection of striatum damage.Keywords: Manganese. Subacute exposure. Oxidative parameters. Mitochondrial function.

scholarly journals Evaluation of Carrot Pomace (Daucus carota L.) as Hypocholesterolemic and Hypolipidemic Agent on Albino Rats

2013 ◽  
Vol 5 (1) ◽  
pp. 7-14 ◽  
Author(s):  
Abd El-Moneim M.R. AFIFY ◽  
Ramy R.M ROMEILAH ◽  
Mahmoud M.H. OSFOR ◽  
Amir S.M. ELBAHNASAWY
Keyword(s):  
Body Weight ◽  
Body Weight Gain ◽  
Positive Control ◽  
Negative Control ◽  
The Body ◽  
Control Group ◽  
Albino Rats ◽  
Obese People ◽  
Daucus Carota L ◽  
Hypercholesterolemic Diet

The current study examined the attenuating influence of dietary carrot pomace powder (CaPP) on hypercholesterolemia and various oxidative stress-associated with biochemical parameters in hypercholesterolemic rats. Thirty two male albino rats weighing 110±10 g were divided into four groups, the first group received the basal diet only and served as (negative control), the second group received the hypercholesterolemic diet and served as positive control, the other groups received hypercholesterolemic diet supplemented with 10%, 20% CaPP for six weeks. The obtained results revealed that groups supplemented with 10% and 20% CaPP significantly decrease total lipid, total cholesterol, triglycerides, low density lipoprotein cholesterol, liver enzymes: alanine aminotransferase, aspartate aminotransferase compared to positive and negative groups. Organs weight, body weight gain significantly decreased compared with positive control. Moreover dietary carrot pomace powder can used to reduce the body weight and reducing hypercholesterolemic complications. In addition, dietary carrot pomace powder serves to improve the blood picture and to reduce the blood glucose level in hypercholesterolemic rats and could use in obese people for body loss. Data of kidney function (Urea) record an increase in CaPP 20% level (26.9±2.96) but this increase was non significant with the negative control group (26.6±3.1).

scholarly journals Effects of growth promoter and multivitamin-mineral premix supplementation on body weight gain in broiler chickens

2013 ◽  
Vol 10 (2) ◽  
pp. 245-248 ◽  
Author(s):  
MA Rahman ◽  
MS Parvin ◽  
RR Sarker ◽  
MT Islam
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
The Body ◽  
Growth Promoter ◽  
Commercial Feed ◽  
Significant Difference ◽  
Group A ◽  
Group B

An experiment was conducted at the Khanpura Poultry Farm, near to the Babugonj campus of Patuakhali Science and Technology University, Patuakhali during the period from August to September, 2011 to evaluate the effect of growth promoter and multivitamin-mineral premix on the body weight gain in broiler chickens. A total of 90 ‘Cobb 500’ day-old broiler chickens were randomly divided into three equal groups (n = 30), namely Groups A, B and C. Broiler birds in groups A and B were supplemented with growth promoter and multivitamin-mineral premix, respectively in addition to commercial feed from day 4 till day 25. The dose of both the growth promoter and multivitamin-mineral premix was 2.5 g/kg of feed. Chickens of group C served as control and supplemented with commercial feed only. Body weight was recorded at three times as on day 11, 18 and 25, respectively. The mean body weight was insignificantly (p > 0.05) higher in birds of groups A (992.5±139.6g) and B (978.3±147.0g) than those of group C (926.7±133.2g). The percent increase in body weight gain compare to control was increased in both the supplemented groups (5.8% in group A and 8.8% in group B) though there was no significant difference. Based on the results, it is suggested that supplementation of growth promoter and multivitamin-mineral premix in broilers even after feeding of commercial feed has positive effect on the growth of broilers.DOI: http://dx.doi.org/10.3329/jbau.v10i2.14914 J. Bangladesh Agril. Univ. 10(2): 245-248, 2012

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