The recent trend toward reduction of antibiotic growth promoters (AGP) in North American poultry diets has put tremendous pressure on the industry to look for viable alternatives. In this context, phytogenic feed additives (PFA) are researched improve gut health and thereby performance. An experiment was conducted with objective evaluate effects PFA as an alternative AGP small intestinal histomorphology, cecal microbiota composition, nutrient digestibility, performance broiler chickens. A...

The effects of an exogenous emulsifier, glyceryl polyethylene glycol ricinoleate, on performance and carcass traits broiler chickens were assessed. emulsifier was added to the diet at dose rates 0 (control), 1 (E1) 2 (E2) % fat (saturated palm oil). Live weight gain () feed conversion ratio in 39 days higher E1 dietary group. Gain: ME intake gain: protein during grower phase improved quadratically (). Gross not affected. Body content accretion increased liver decreased linearly with level...

This study evaluated the efficacy of organic acids as a growth promoter for broiler chickens relative to antibiotic promoters (AGPs). Broiler were supplemented with graded doses an acid blend (OAB, 1 g and 2 g/kg diet) bacitracin methylene disalicylate (BMD, 0.5 35 days. Supplementation OAB improved () feed conversion ratio (FCR) increased protein accretion (). Dietary acidification caused pH gizzard decline linearly dose supplemental OAB. In lower intestine, remained unaffected by dietary...

Summary The study compared the effects of an antibiotic growth promoter (AGP), yeast ( Saccharomyces cerevisiae ) and cell wall (YCW) on performance, microbiology histo‐morphology small intestine humoral immune responses in Ross 308 broilers. treatments (eight replicates/treatment, n = 12/replicate) were negative control (NC, without AGP), positive (PC, supplemented with bacitracin methylene disalicylate, 400 mg/kg), Y YCW (supplemented YCW, respectively, 1000 mg/kg). Live weight at 42 days...

The aim of this work was to compare the efficacy a commercially available phytogenic feed additive (PFA) and an antibiotic growth promoter, which bacitracin methylene disalicylate (BMD), on performance, nutrient retention, caecal colonization bacteria humoral immune responses against Newcastle disease in broiler chickens challenged orally with Salmonella enteritidis Escherichia coli. One-day-old male Cobb 400 chicks (n = 120) were fed 1) negative control (NC) diet, is basal diet without any...

1. The effects of enzymatically hydrolysed whole Saccharomyces cerevisiae yeast (HY) and the pellets cell wall (YCW) on production traits, microbiology histo-morphology small intestine, humoral immune responses against Newcastle disease virus (NDV), Ross 308 broilers were investigated. 2. control group received a maize-soyabean meal based basal diet for 42 days. In treated groups was supplemented with 1 g/kg HY YCW. There 8 replicate pens per (n = 12 birds/pen). 3. YCW supplementation...

An experiment was conducted to investigate the effects of replacing antibiotic growth promoter (AGP) with a combination essential oil and organic acids (EO + OA) on performance, gut microbiota immune response in broiler chickens. In Experiment 1, 320 day-old chicks were randomly distributed 32 pens 10 birds each pen equally allotted four treatment groups. 2, 120 divided into same groups, group containing three replicated pen. The groups (1) Negative Control (NC) without AGP or other...

Abstract The effect of supplementation γ-aminobutyric acid (GABA), a component the neuroendocrine cascade involved in stress alleviation, was studied broiler chickens heat model. In 42-day feeding trial, 300 male and female were equally distributed an environmentally controlled (EC) open house (OH) according to 2x2x3 factorial design. diet either devoid GABA (0 mg/kg) or supplemented with 60 120 mg/kg GABA. Zootechnical performances (1-42 d), expression mRNA for genes coding inflammatory...

Mycotoxins like aflatoxins (AFs), fumonisins (FBs), and ochratoxin A (OTA) pose serious health risks to humans animals. Fruit pomace extracts, rich in natural nutrients bioactive compounds, have the potential enhance animal mitigate mycotoxin toxicity. This study evaluated a novel liquid anti-mycotoxin solution (LAS), combination of grape olive extract administered broiler chickens through drinking water (2 L:1000 L) for 1–42 days under multi-mycotoxin challenge. The 42-day trial with 288...

Abstract BACKGROUND: Dietary chromium (Cr 3+ ) supplementation reduces stress in livestock by lowering circulatory cortisol and potentiating the action of insulin. This study aimed to assess stress‐alleviating effects supplemental Cr as picolinate broilers. RESULTS: The birds, which were heat stressed had restricted feed intake between 31 40 days age, supplemented with 0 (control), 0.5 or 1 mg kg −1 diet from 10 age. Live weight gain, efficiency, utilisation efficiency energy protein...

Abstract 1. The study was conducted to ascertain the effects of supplemental organic acids and chromium (Cr) on production carcase traits broiler chickens. 2. A total 120 1-d-old chicks were divided into 4 treatment groups in a 2 × factorial design (each group contained 6 replicates with 5 birds per replicate). 3. diets supplemented an acid blend containing ortho-phosphoric, formic propionic calcium propionate (1 g/kg diet) inorganic trivalent (Cr3+) as chromic chloride hexahydrate (0·5...

Abstract One hundred 1-day-old Ven Cobb chicks were used to study the effect of supplementation with 0-2 mg chromium (Cr) per kg diet from potassium chromate (T 1 ), chloride 2 ) and chromium-yeast complex 3 ). The control group (C) received no supplemental chromium. Each experimental consisted five replicates birds each was continued for 35 days. weekly live-weight gain, food conversion ratio gain: intake unaffected by treatments. Metabolizability organic nutrients increased in Cr...

Background: Betaine has the potential to spare methionine and choline as methyl-group donors, is thought improve broiler performance under conditions of stress. An experiment was conducted ascertain effects supplemental betaine on performances physiological responses broilers exposed continuously thermal Materials methods: Male (n=128, divided into four groups, with eight replicate cages in a group) received diets containing suboptimal levels metabolizable energy supplemented 1.3 g/kg 2...

Diets for broiler chickens ( n =90) were supplemented with chromium (CrCl 3 , 6H 2 O), either alone (0·2 mg/kg diet) or in a combination ascorbic acid mg Cr and 50 acid/kg diet). The objectives of the study to ascertain if had any additive effect on actions whether supplementation could alleviate nutritional stress birds imposed by reduced energy intake. fed at recommended (Bureau Indian Standards 1992) lower plane energy. Live-weight gain diet utilization higher P <0·01) when normal was...

Aim: To evaluate the effects of inclusion roasted guar meal, also known as korma, a partial replacement for deoiled soybean meal (SBM) in commercial broiler diets, on production performance and carcass traits Cobb-400 chickens.Materials Methods: 1600 one-day-old chicks were randomly assigned into four dietary treatments, each with replicates (n = 100 per replicate).The diets iso-nitrogenous iso-caloric included basal composed maize SBM (T0), T0 + β-mannanase (T1) treatment which was...

Intestinal dysbacteriosis is increasing in broilers due to the reduced use of antibiotics feed. This study tested effect daily waterline administration a dual-strain probiotic comprising Lactobacillus acidophilus AG01 and Bifidobacterium animalis subspecies lactis AG02, on growth performance intestinal health during 3-step microbial challenge. In total, 900 Ross 308 males were assigned 36 floor pens (25 birds/pen, 12 pens/treatment) completely randomized design. Birds fed corn, wheat...

An experiment was conducted to exploit the immune-modulation effect of trivalent chromium (Cr) for augmenting immunity against peste des petits ruminants (PPR) in dwarf black Bengal goats (Capra hircus). The (n = 6 per treatment group) either received a basal diet devoid supplemental Cr (control) or were supplemented with 0.5 mg as chromic chloride (+Cr) 60 days. Live weight gain and feed conversion efficiency improved (P < 0.05) +Cr dietary group. Supplemental did not affect total number...

1. In a 42-d feeding trial, 264 one-d-old, as hatched, Cobb 400 broiler chickens (6 pens per group, n = 11 pen in 2 × factorial arrangement) were fed on two concentrations of dietary calcium (Ca) (9.0 and 7.5 g/kg starter, 6 grower phases) supplemental phytase (0 500 U/kg diet). 2. During d 0-21, the high Ca + diet improved body weight. 0-42, feed intake was increased by low decreased supplementation. Feed conversion ratio during 0-21 diet. 3. At 42, duodenal digesta reduced phytase. High P...

Abstract An on‐farm trial was conducted to ascertain the effects of chromium supplementation on nutrient utilization and reproductive performance cross‐bred ( Bos taurus × indicus ) pre‐pubertal anestrous dairy heifers. Chromium supplemented (0, 0.25, 0.5 1.0 mg kg −1 diet dry matter) as chloride hexahydrate or chromium–yeast complex. The intake total digestible nutrients P &lt; 0.01) body weight gain 0.05) increased with chromium. Chromium–yeast resulted in a dose‐dependent increment...

Black Bengal bucks (Capra hircus) were supplemented with 0, 0.2 or 0.4 mg elemental chromium (Cr) as chloride hexahydrate per day for 70 days. Intake of dry matter (p<0.001), crude protein (p<0.001) and neutral detergent fiber (p<0.01) increased due to Cr supplementation. The apparent total tract digestibility (p<0.01), organic (p<0.05), acid improved the body weight gain live feed intake ratio also supplemental feeding. absorption was enhanced its copper, zinc, manganese iron more in bucks....