Growth, food intake and energy balance of layer and broiler chickens offered glucose in the drinking water and the effect of dietary protein content

1989 ◽  
Vol 30 (4) ◽  
pp. 907-917 ◽  
Author(s):  
E. A. Engku Azahan ◽  
J. M. Forbes
Keyword(s):  
Drinking Water ◽  
Energy Balance ◽  
Food Intake ◽  
Protein Content ◽  
Dietary Protein ◽  
Broiler Chickens

Diurnal food intake patterns of broiler chickens offered a choice of feed varying in protein content

1992 ◽  
Vol 1992 ◽  
pp. 85-85 ◽  
Author(s):  
F. Shariatmadari ◽  
J.M. Forbes
Keyword(s):  
Food Intake ◽  
Protein Content ◽  
Protein Intake ◽  
Broiler Chickens ◽  
The Other ◽  
Meal Patterns ◽  
Low Protein ◽  
Regulate Protein ◽  
Intake Regulation ◽  
Food Intake Patterns

The ability of broiler chickens to regulate protein intake when given a choice of high- and low-protein feeds has been demonstrated (Shariatmadari and Forbes, 1990). However, it is not know whether birds take several meals from one feed and then several from the other, or whether both feeds are taken in mixed meals. Therefore, to determine how protein intake regulation operates on a meal-to-meal basis, the meal patterns of broiler chickens were automatically recorded when they were offered two feeds of different protein content.

scholarly journals The Effect of Licorice roots powder on experimental Infection of infectious bursal disease in broiler chickens

2006 ◽  
Vol 30 (2) ◽  
pp. 65-78
Author(s):  
A. K. Kassab
Keyword(s):  
Drinking Water ◽  
Body Weight ◽  
Food Intake ◽  
Water Content ◽  
Broiler Chickens ◽  
Infectious Bursal Disease ◽  
Age Group ◽  
Bursal Disease ◽  
Group 3 ◽  
Group 1

This study was conducted to investigate the effect of Licorice roots powder for 35 days in reducing the severity of infection with infectious bursal disease (IBD)and the immune response and performance of broiler chicks .A Total of 150 day old broiler chickens were divided into 5 groups and treated as follows : Group 1: infected with IBD virus at 21 days of age. Group 2: infected with IBD virus at 21 days of age and given 1 gm of Licorice roots powder /1 L of drinking water one day after infection . Group 3 : given 1 gm Licorice roots powder / 1L of drinking water at day one of age and infected with IBD virus at day 21 of age . Group 4:given 1 gm Licorice roots / 1 L of drinking water at 22 days of age .Group 5: untreated control. Antibody (Ab) of IBD titer was measured by ELIZA , the serum total protein (STP) the serum Globulin(SG)and the blood picture were determined , the water content of the droppings was measured , the body weight , food intake was recorded, there was increase (P<0.01) in the (Ab)titer of IBD virus in the group3 comparing with the other groups , the bursa / body weight index (B:BW)three days after infection was increased (P<0.01) in group1 , the STP , the SG , the PCV and RBCs was increased (P<0.01) in group 3 at age 27 days the food intake (FI) Food conversion ratio (FCR) and body weight (BW) in Group 3 were significantly increased , the dropping water content was significantly (P<0 .01)increased in group 3 in comparison with other groups at the period from 23-27 days of age, the morbidity and Mortality rate were significantly lower in group 3 and then 2 in comparison with group 1 (50 % , 63.3 %, 90 % ) and (6.6 % , 16.6 % ,30%) respectively

scholarly journals Secondary infection ofNippostrongylus brasiliensisin lactating rats is sensitive to dietary protein content

2005 ◽  
Vol 93 (4) ◽  
pp. 493-499 ◽  
Author(s):  
Jos G. M. Houdijk ◽  
Neil S. Jessop ◽  
David P. Knox ◽  
Ilias Kyriazakis
Keyword(s):  
Food Intake ◽  
Protein Content ◽  
Litter Size ◽  
Dietary Protein ◽  
Primary Infection ◽  
Secondary Infection ◽  
Late Pregnancy ◽  
Single Infection ◽  
Nippostrongylus Brasiliensis ◽  
Nematode Eggs

Lactating mammals usually exhibit a breakdown of immunity to parasites, i.e. they have larger worm burdens than their non-lactating counterparts. Here, we tested the hypothesis that a secondary infection withNippostrongylus brasiliensisin lactating rats is sensitive to dietary protein content. We also tested whether this infection affects host food intake. Rats either remained uninfected throughout the study or were given a single infection before mating (primary infection) and re-infected on day 2 of lactation (secondary infection) with 1600 infective larvae. Infected rats were fed foods during lactation formulated to supply 100 (low protein; LP), 200 (medium protein; MP) or 300 (high protein; HP) g crude protein per kg DM; non-infected rats were fed either the LP or HP food. Litter size was standardized to ten pups between parturition (day 0) and secondary infection (day 2). Ten days after secondary infection, MP and HP rats had excreted fewer nematode eggs, and had fewer adult nematodes in their small intestine and nematode eggs in their colon than the LP rats. Primary infection increased food intake in late pregnancy, and increased maternal body weight and litter size at parturition. Secondary infection did not affect mean food intake, maternal and litter weight, although food intake was reduced for 1 d following infection. These results support the view that a secondary infection withN. brasiliensisis sensitive to dietary protein content, and that the latter infection does not impair lactational performance. Future studies may focus on elucidating the nutritional sensitivity of immune responses underlying the reduced secondaryN. brasiliensisinfection.

The relationship between protein, essential amino acids and energy requirements of broiler chickens fed practical diets

1977 ◽  
Vol 17 (89) ◽  
pp. 920 ◽  
Author(s):  
N Guirguis
Keyword(s):  
Amino Acids ◽  
Protein Content ◽  
Dietary Protein ◽  
Broiler Chickens ◽  
Essential Amino Acids ◽  
Energy Requirements ◽  
Broiler Chicks ◽  
Maximal Growth ◽  
Dietary Concentration ◽  
The Relationship

The relationship between dietary protein, essential amino acids (EM) and energy was examined in two experiments using male broiler chicks fed practical diets to eight weeks of age. All diets contained a balanced proportion of ten EAA which was maintained over various treatments. Growth of birds was closely related to the EAA content of the diet and poorly related to dietary protein content. When the dietary concentration of ten EAA was treated as a combined unit and expressed as proportion of diet, 7.6 per cent EAA in an 18 per cent protein starter diet and 5.8 per cent EAA in a 16 per cent protein finisher diet were adequate to support maximal growth of male birds to eight weeks of age. Feed intakes were reduced as energy concentrations increased in diets regardless of protein content of diets.

scholarly journals Effects of dietary protein content and 2-hydroxy-4-methylthiobutanoic acid ordl-methionine supplementation on performance and oxidative status of broiler chickens

2011 ◽  
Vol 106 (12) ◽  
pp. 1845-1854 ◽  
Author(s):  
Quirine Swennen ◽  
Pierre-André Geraert ◽  
Yves Mercier ◽  
Nadia Everaert ◽  
Anneleen Stinckens ◽  
...  
Keyword(s):  
Lipid Peroxidation ◽  
Protein Content ◽  
Dietary Protein ◽  
Broiler Chickens ◽  
Antioxidant Status ◽  
Body Weight Gain ◽  
Oxidative Status ◽  
High Protein ◽  
Methionine Sulfoxide Reductase ◽  
Low Protein

Besides its typical role as an amino acid in protein synthesis, methionine is an important intermediate in methylation reactions. In addition, it can also be converted to cysteine and hence plays a role in the defence against oxidative stress. The present study was conducted to investigate further the role ofdl-methionine (DLM) and its hydroxy analogue,dl-2-hydroxy-4-methylthiobutanoic acid (DL-HMTBA), on zootechnical performance and oxidative status of broiler chickens. Male broiler chickens were reared on two diets differing in crude protein (CP) content (low-protein, 18·3 %v.high-protein, 23·2 % CP) and were supplemented either with 0·25 % DLM or 0·25 % DL-HMTBA. Reducing the dietary protein content resulted in an impaired body weight gain (P < 0·0001). However, supplementation of DL-HMTBA to the low-protein diet partially alleviated these negative effects (P = 0·0003). This latter phenomenon could be explained by the fact that chickens fed DL-HMTBA-supplemented diets displayed a better antioxidant status as reflected in lower lipid peroxidation probably as a consequence of their higher hepatic concentrations of total and reduced glutathione compared with their DLM counterparts. On the other hand, within the high protein levels, uric acid might be an important antioxidant to explain the lower lipid peroxidation of high-protein DL-HMTBA-supplemented chickens. Hepatic methionine sulfoxide reductase-A gene expression was not significantly affected by the dietary treatments. In conclusion, the present study indicates that there are interactions between dietary protein content and supplementation of methionine analogues with respect to broiler performance and antioxidant status, also suggesting a causal link between these traits.

scholarly journals Dietary protein – its role in satiety, energetics, weight loss and health

2012 ◽  
Vol 108 (S2) ◽  
pp. S105-S112 ◽  
Author(s):  
Margriet S. Westerterp-Plantenga ◽  
Sofie G. Lemmens ◽  
Klaas R. Westerterp
Keyword(s):  
Metabolic Syndrome ◽  
Weight Loss ◽  
Energy Balance ◽  
Energy Expenditure ◽  
Protein Content ◽  
Dietary Protein ◽  
Negative Energy ◽  
High Protein ◽  
Negative Energy Balance ◽  
Basal Energy Expenditure

Obesity is a serious health problem because of its co-morbidities. The solution, implying weight loss and long-term weight maintenance, is conditional on: (i) sustained satiety despite negative energy balance, (ii) sustained basal energy expenditure despite BW loss due to (iii) a sparing of fat-free mass (FFM), being the main determinant of basal energy expenditure. Dietary protein has been shown to assist with meeting these conditions, since amino acids act on the relevant metabolic targets. This review deals with the effects of different protein diets during BW loss and BW maintenance thereafter. Potential risks of a high protein diet are dealt with. The required daily intake is 0·8–1·2 g/kg BW, implying sustaining the original absolute protein intake and carbohydrate and fat restriction during an energy-restricted diet. The intake of 1·2 g/kg BW is beneficial to body composition and improves blood pressure. A too low absolute protein content of the diet contributes to the risk of BW regain. The success of the so-called ‘low carb’ diet that is usually high in protein can be attributed to the relatively high-protein content per se and not to the relatively lower carbohydrate content. Metabolic syndrome parameters restore, mainly due to BW loss. With the indicated dosage, no kidney problems have been shown in healthy individuals. In conclusion, dietary protein contributes to the treatment of obesity and the metabolic syndrome, by acting on the relevant metabolic targets of satiety and energy expenditure in negative energy balance, thereby preventing a weight cycling effect.

scholarly journals PENGARUH PEMBERIAN HERBAL YANG MENGANDUNG PROBIOTIK DALAM AIR MINUM TERHADAP PALATABILITAS RANSUM AYAM BROILER The Effect of Herbs That Contain Probiotics in Drinking Water on Broiler Chicken Feed Palatability

2016 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Ibrahim Hadist
Keyword(s):  
Drinking Water ◽  
Dietary Protein ◽  
Broiler Chickens ◽  
Dry Matter ◽  
Broiler Chicken ◽  
Dry Matter Intake ◽  
Feed Consumption ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Object Of Study

Abstrak Penelitian bertujuan untuk mengetahui sampai sejauh mana pengaruh pemberian herbal yang mengandung probiotik dalam air minum terhadap konsumsi ransum segar,konsumsi bahan kering, konsumsi energi ransum, konsumsi protein ransum, dan konsumsi serat kasar ransum pada ternak ayam broiler. Penelitian ini menggunakan 100 ekor DOC broiler yang ditempatkan secara acak kedalam 20 kandang, dan setiap kandang terdiri dari 5 ekor ayam. Penelitian menggunakan metode experimental dengan Rancangan Acak Lengkap (RAL) dengan empat perlakuan air minum dan lima ulangan. Perlakuan air minum yang digunakan yaitu air minum yang tidak mengandung probiotik 0% (R1); mengandung vitamin dan antibiotik (R2); mengandung 1 ml herbal yang mengandung probiotik (R3); dan mengandung 2 ml herbal yang mengandung probiotik (R4). Hasil penelitian menunjukan bahwa penambahan herbal yang mengandung probiotik tidak berpengatuh terhadap palatabilitas ransum ayam broiler. Kata kunci : herbal, probiotik, air minum, palatabilitas, ayam broiler Abstract The object of study was evaluate the extent of the effect of herbs that contain probiotics in drinking water on feed consumption, dry matter intake, feed energy consumption, the consumption of dietary protein, and crude fiberconsumption in broiler chickens. This reseach used 100 broiler at one days of age, were randomly placed into 20 cages, each cage consisted of five chickens. The methode of research was experimental designed by completely randomized design (CRD) with four treatments and five replications of drinking water. The treatments consisted of drinking water that does not contain probiotics 0% (R1); drinking water were contain vitamins and antibiotics (R2); drinking water were contain 1 ml herbs with probiotics (R3); drinking water were contain 2 ml herbs with probiotics (R4). The results showed that the addition of herbs that contain probiotics do not affect the feed palatability of broiler chicken. Keywords : Herb, probiotic, drinking water, palatability, broiler chicken

Sign in / Sign up

Export Citation Format

Share Document