THE PRODUCTIVITY BROILERS AND INDICES OF THE PROCESSED BROILERS FED WITH THE DIFFERENT DOSES OF ACIDIFIER AND ANTIBIOTIC

  • E. Sivachenko Belotserkovsky National Agrarian University, Bila Tserkva
  • l. Dyachenko Belotserkovsky National Agrarian University, Bila Tserkva
Keywords: chickens-broilers, acidifier, antibiotic, performance, slaughter

Abstract

In the field experiment with 6 groups of broiler’s cross “Cobb-500” (100 birds in each group), of which 1 is a control group, and 2, 3, 4, 5 and 6 – are experimental groups, the aim was to substantiate the optimal dose of the acidifier FRA LBB DRY and estimate its efficiency compared to the antibiotic Norfolk.  Broilers of all experimental groups were fed with complete diet in accordance with the age and growth periods, watering was provided with nipple watering system. The birds in control group 1 were watered normal water, broilers in 2, 3, 4 and 5 experimental groups were watered with addition of  liquid acidifier FRA LBB DRY in doses, respectively – 1.0; 1.33; 1.66 and 2.0 ml/l of water. For broilers 6th experimental group antibiotic Norfolk was added in dose 1.0 ml/l. Housing conditions of all the groups were the same.  The results of the study demonstrated that addition of the acidifier to drinking water for broilers of 2-5 groups positively affected their survival (96,7-98,2% against 91.3% of control) and the intensity of growth. The daily average and absolute (gross) gain in live mass in broiler in 2-5 experimental groups surpassed the control by 3.54.2%, while the costs of feed for 1 kg of a gain, and on the contrary was reduced by 2.7-4.3%. As a result, the controlled slaughter of chickens (4 birds from each group) reviled that the live mass of birds in the experimental clearly exceed the mass of the control. The 2nd experimental group exceeded the control group by 90 g, 3rd – 97g, 4th – 105g and 5th experimental group – 78 g. These outcomes affected the post processing indices.  Processed broiler’s body mass of 2, 3rd, 4th and 5th research groups have prevailed control counterparts by respectively, to 5.9; 7.5; 7.8 and 6.3%. The yield of processed broilers in experimental groups was greater than in control by 1.21-2.04%, and the total weight of edible parts – 83,6-107,8 g, or 6.8-8.8%.   Broiler of the 6th research group, that were receiving drinking water with addition of 1.0 ml/l antibiotic Norfolk, demonstrated results that were definitely higher than in control, but occupied an intermediate position among the experimental groups, that received water with acidifier. Based on the results of the research the following conclusions are formulated.  1. Supplementation of drinking water for  broiler chickens with the acidifier FRA LBB DRY at 1.0; 1.33; 1.66 and 2.0 ml/l promotes the protection of the flock by 5.4-6.9%, average daily gain increments – 3,5-4,2%, European index of efficiency – 32.0 – 50.1 , and reduces the cost of feed for 1 kg of live weight by 2.7-4.3%.  2. The use of acidifier in doses 1.0; 1.33; 1.66 and 2.0 ml/l in the water during 42 days causes increase of live mass of broilers by 3.4-4.6%, mass of processed broilers – 5,9 – 7.8%.  The output of unprocessed, semiprocessed and processed broilers increased respectively by 1.00-1,58; 1.07 – 1.82 and 1.21-2.04% the mass of the edible parts 6,8-8,8% comparing to control group. 3. Supplementation of drinking water for broiler chickens with the antibiotic Norfolk in a dose of 1 ml/l provided an intermediate place by indicators of performance and slaughter of chickens, compared with similar indexes in broilers watered with acidifier.  4. The highest results were obtained for broilers watered with acidifier in doses 1.33-1.66 ml/l of water.

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Author Biographies

E. Sivachenko, Belotserkovsky National Agrarian University, Bila Tserkva
аспірант
l. Dyachenko, Belotserkovsky National Agrarian University, Bila Tserkva
д. с.-г. н.

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How to Cite
Sivachenko, E., & Dyachenko, l. (1). THE PRODUCTIVITY BROILERS AND INDICES OF THE PROCESSED BROILERS FED WITH THE DIFFERENT DOSES OF ACIDIFIER AND ANTIBIOTIC. Theoretical and Applied Veterinary Medicine, 4(1), 244-250. Retrieved from https://bulletin-biosafety.com/index.php/journal/article/view/134