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Use of Garlic in Feed and Water Influence Growth Performances of Broiler

M. E. Hossain
Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh

M. M. Hossain
Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

The aim of the investigation was to observe the effect of administration methods of garlic on the productivity of broiler chickens. Three hundred and forty unsexed one-day-old broiler chicks were reared for 35 days. Chicks were assigned into five treatment groups, each treatment consisted of four replicates and each replicate contained 17 birds. The dietary groups were; control (basal diet; no additives), antibiotic (basal diet + antibiotic), garlic-0.25% (basal diet + 0.25% garlic powder), garlic-0.50% (basal diet + 0.50% garlic powder) and garlic in water (basal diet + 1 clove of garlic/2 lit drinking water).The experimental diets consisted of broiler starter (0-21 days) and broiler grower (22-35 days). Bodyweight, body weight gain, feed intake and feed conversion ratio of the birds were recorded every week. Results of this experiment indicate that supplementation of garlic in broiler diets significantly affects overall growth performances. The addition of garlic in water showed higher (P<0.05) bodyweight as such as antibiotic and control groups compared to the garlic in feed groups. Data revealed that total feed intake in different dietary levels showed a significant (P<0.05) difference. The Control group showed significantly higher feed intake over the other dietary groups. Improved (P<0.05) total feed conversion ratio was observed in garlic in water group as such as antibiotic group compared to the garlic in feed and control groups. However, feed conversion ratios in other weeks were not significant among treatments. These results suggest that the addition of garlic with feed has little or no effect on growth performances. However, body weight and feed conversion ratio were significantly influenced by the water-based infusion of garlic. As garlic contains various bioactive components, it could be a potential feed additive in a broiler diet.

Keywords: Garlic, Feed, Water, Growth performance, Broiler

Location: Department of Poultry Science, Faculty of Animal Husbandry, Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Broiler

Objectives:

The aim of this investigation was to observe the use of garlic in feed and water on the productivity of broiler chickens.

Methodology:

A total of 340 day-old straight run Cobb 500 commercial broiler chicks were randomly divided into five dietary treatment groups and then each treatment group into four replications with 17 chicks per replicate. The experiment was carried out over a period of 35 days. The dietary treatment groups were; control (basal diet; no additives), antibiotic (basal diet + antibiotic), garlic-0.25% (basal diet + 0.25% garlic), garlic-0.50% (basal diet + 0.50% garlic) and garlic in water (1 clove of garlic/2 lit). Two types of broiler diets were formulated namely starter (0-21 days) and grower (22-32 days). Antibiotics and garlic were mixed with basal diet. The nutrient requirements (ME, CP, CF, EE, Ca, P, Lysine and Methionine) were satisfied as per the recommendation of the Cobb-500 broiler strain (Cobb-Vantress, 2018). A gable-type open-sided house was used for the experiment. The room area was 500sq. ft. The room was partitioned into 20 pens of equal size by using a wire net. The area of each pen was 21 sq. ft. (7 feet x 3 feet). At the entrance, a foot bath was maintained, where TH4+ solution was used as a disinfectant. The experimental shed and necessary equipment were properly cleaned, washed, dried, disinfected and subsequently left empty for a week before the arrival of chicks. Feeders were cleaned every week and drinkers were cleaned twice daily. A starter diet was provided for the first 21 days and a grower diet was provided to the broiler up to 35 days of age. In all cases, ad libitum feed was offered to the broilers. Feed was supplied four times daily, once in the morning, noon, afternoon and again at night in such a way that the feeder was not kept empty. Fresh and clean water was made available at all times. Fresh and dried rice husk was used as litter material and spread over the floor at a depth of about 3 cm. After the first two weeks, the upper part of the litter with droppings was removed and replaced with a new one. After 14 days, litter was stirred every alternative day to dry up quickly and to remove harmful gases. The chicks were brooded in respective pens using one 100 watts electric bulb in each pen. The chicks were provided with a temperature of 35°C at the first week of age, decreasing gradually at the rate of 3°C per week continued up to 4 weeks of age. The birds were exposed to a continuous lighting period of 23 hours and 30 minutes and a dark period of 30 minutes every 24 hours. Each pan was used as an experimental unit in the experiment. The broilers were weighed by pen at the end of every week. After measuring the remaining feed at the end of the week, feed intake and feed conversion ratio (FCR) were calculated. Data of body weight, body weight gain, feed consumption and FCR were analyzed by using SAS (2009) to estimate variance components with a completely randomized design. Duncan's multiple comparison tests were used to examine significant differences among the treatment means. In the result P<0.05 was considered statistically significant.

Source of Information: Journal of Agriculture, Food and Environment, Vol 1 No 4 December 2020 Pages 191-195

Article Link (Online Journal): http://doi.org/10.47440/JAFE.2020.1429

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded from the study that, the addition of garlic with feed has little or no effect on growth performances. However, body weight and FCR were significantly influenced by the water-based infusion of garlic. Garlic as a valuable feed additive is used in many areas of the world but the somewhat controversial reports about its effects and recommended dosage in commercial diets can be misleading. The weight gain and feed intake reduction in birds fed garlic means that herbal additives have their limitations too and need more investigation. As garlic contains various bioactive components, it could be a potential feed additive in a broiler diet.

Knowledge Management: Journal