Abstract
Introduction. In recent years, the production of feed additives of animal origin in Ukraine has declined sharply, and the cost of imported additives is very high. At the same time, in our country, the industry of industrial poultry farming has recently received intensive development, in particular, the cultivation and processing of broiler chickens for meat. At the same time, a significant amount of non-food waste from poultry slaughter in many poultry farms is not processed for feed purposes.
 Currently, an urgent problem is the organization of processing of non-food waste of poultry for feed purposes at poultry farms of industrial type of cultivation for meat of broiler chickens, primarily from blood and hydrolyzed raw materials. Processing of these wastes for feed purposes will not only give the opportunity to increase the production of high-grade protein feed, but also to significantly improve environmental safety.
 The purpose of our research is to study the meat productivity, safety, slaughter yield and quality of broiler chicken meat when feeding a combined feed additive from blood and hydrolyzed raw materials.
 Materials and methods of research. Development of an innovative technological line for the production of a combined feed additive from blood and hydrolyzed raw materials was carried out in LLC "Complex Agromars" (village of Havrylivka, Vyshgorod district of Kyiv region), and research on the effectiveness of feeding a combined feed additive from blood and hydrolyzed raw materials was performed in the production conditions of LLC "Bila Hora" Sniatynskyi district of Ivano-Frankivsk region.
 Research result. Development of innovative technological line was carried out in cooperation with engineering and technical staff of LLC "Complex Agromars". The innovative technological line is designed and installed using devices and mechanisms of the company "Haarslev Industries".
 In order to study the effectiveness of feeding a combined blood-feather feed additive for the experiment, four groups of broiler chickens of the Cobb 500 cross were formed, 50 heads in each, according to the following scheme: one group of broiler chickens was taken as a control group, and the next three groups – as research groups.
 Cultivation of broiler chickens in the experiment was carried out according to the traditional technology of feeding on standard compound feeds adopted in industrial broiler poultry farming, which, depending on the age and growth of chickens, includes 3 phases: "Start" – 14 days, "Growth" – 18 days, "Finish" – 12 days.
 According to the scheme of experience, the control group of chickens received standard feed without blood-feather feed additive. The difference in feeding of the broiler chickens of the experimental groups was in different levels of feeding with experimental combined feed additive from blood and hydrolyzed feather raw materials, which, depending on the age and growth of chickens, included in the feed of the I group from 4 to 12%, of the II group – from 3 to 10%, of the III group – from 2 to 8%.
 As a result of the studies it was found that at the end of the experiment at 44-day age the average live weight of broiler chickens of the control group was 2630 g, of the experimental group I – 2885 g, of the group II –2790 g, of the group III – 2680 g.
 For 44 days of experience the following amounts died: in the control group – 2 chickens, in the experimental group I – 1 chicken, in the group II – no chickens, in the group III – 1 chicken.
 Slaughter of broiler chickens and meat tasting was carried out in the company "Bilyi Bereh" of Ternopil region at the age of 44 days.
 It was established that the average slaughter yield of 1 carcass of broiler chicken meat was: in the control group – 1920, in the experimental group I – 2106 g, in the group II – 2037 g, in the group III – 1956 g.
 The difference in quality of meat of broiler chickens of control and experimental groups by results of tasting was not revealed.
 Summary:
 
 In LLC "Complex Agromars" (village of Havrylivka, Vyshgorod district of Kyiv region) designed and implemented an innovative technological line for production of ecologically safe combined feed additive from blood and hydrolyzed feather raw materials from non-food waste slaughter of broiler chickens when growing for meat.
 In the course of scientific and economic experiment it was found that the inclusion in the standard traditional feed in different phases of cultivation of broiler chickens for meat of about 4 to 12% of the combined feed additive from blood and hydrolyzed feather raw materials increased their average live weight from 2630g in the control group to 2885 g, and the average slaughter yield of 1 meat carcass – from 1920 g in the control group to 2106 g.
Highlights
Нами розроблена та впроваджена в ТОВ «Комплекс Агромарс»
In the course o f scientific and economic experiment it was found that the inclusion in the standard traditionalfeed in different phases o f cultivation o f broiler chickensfo r meat o f about 4 to 12% o f the combinedfeed additivefrom blood and hydrolyzedfeather raw material increased their average live weightfrom 2630 g in the control group to 2885 g (+ 255 g, or 9,7%), and the average slaughter yield o f 1 meat carcass - from 1920 g in the control group to 2106 g
В научно хозяйственном опыте установлено, что включение в стандартный традиционный комби корм в различные фазы выращивания цыплят-бройлеров на мясо от 4 до 12% комбинирован ной кормовой добавки из крови и гидролизованного перьевого сырья повысило их среднюю жи вую массу с 2630 г в контроле до 2885 г (+ 255 г, или на 9,7%), а средний убойный выход 1 тушки мяса - с 1920 г в контрольной группе до 2106 г
Summary
Вміст в комбікормі комбінованої кормової добавки з крові та гідролізованої пір’яної сировини, %. Вирощування курчат-бройлерів у досліді проводили за прийнятою в бройлерному про мисловому птахівництві традиційною технологією годівлі на стандартних комбікормах, яка, в залежності від віку та росту курчат, включає 3 фази: «Старт» - 14 діб, «Ріст» - 18 діб, «Фініш» - 12 діб, всього 44 доби. Згідно схеми досліду контрольна група курчат одержувала стандартний комбікорм без кров’яно-пір’яної кормової добавки. Відмінність у годівлі курчат-бройлерів дослідних груп полягала у різному рівні згодовування експериментальної комбінованої кормової добавки з крові та гідролізованої пір’яної сировини, яку, в залежності від віку і росту курчат, включали у комбікорм І дослідної групи від 4 до 12%, ІІ - від 3 до 10%, ІІІ - від 2 до 8%.
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