Issue №: 2(101)
У збірнику висвітлено питання підвищення продуктивності виробництва продукції сільського і рибного господарства, технології виробництва і переробки продукції тваринництва, харчових технологій та інженерії, водних біоресурсів і аквакультури
ECONOMICALLY USEFUL CHARACTERISTICS OF COWS OF UKRAINIAN WHITE-HEADED BREED OF DIFFERENT PRODUCTION TYPES
Didkivskyi А.M., Сandidate of Аgricultural Sciences, Associate Professor
Koberniuk V.V., Сandidate of Аgricultural Sciences, Associate Professor
Kucher D.M., Сandidate of Аgricultural Sciences, Senior Lecturer
Zhytomyr National Agroecological University
The Ukrainian white-headed breed is a dairy breed, well adapted to the local conditions of Polissia. This breed is inferior to other breeds by productivity and yields, first of all to the black-speckled one. Therefore, the breed mass is sharply reduced.
According to the research methodology the herd of cows of the Ukrainian white-headed breed was divided into three production types. The animals, which predominated the relative milk productivity characteristic >M+0,7σ, were referred to the dairy type, those having the characteristic within M±0,7σ – to the intermediate type and those conceding the characteristic <M-0,7σ – to the dual-purpose type. The first group included 43 heads or 20%, the second –117 heads or 55% and the third – 52 heads or 25%. The ratio of groups was approximately 1:2:1, which is consistent with the regularities of normal distribution.
The first calving cows of dual-purpose type have the lowest rates of dairy productivity (3,040 kg, 3.57% and 108.9 kg). The animals of intermediate type occupies the middle position (4,279 kg, 3.62%, 154.3 kg). The difference between the groups in most cases was significant and highly reliable (P <0,05-0,001).
The animals of dairy type dominated the cows of dual-purpose type in height at the withers by 2.1 cm, in width of hipbones by 1.4 cm, in oblique length of the body by 1.2 cm and in circumference of metacarpus by 0.4 cm. The animals of dual-purpose type have a larger live weight, as well as a wider and more voluminous body. According to the parameters of the body the cows of intermediate type occupies the middle position.
The first calving cows of different production types also differ by body structure indices. The cows of dairy type are characterized by high legs and a narrow body, they are less compact and massive.
Along with the main characteristics of dairy cattle, it is important to take into account their reproductive ability, which affects not only the pace of genetic progress of the population for dairy production, but also the economic efficiency of animal use. The duration of the service and intercalving periods reduces in the direction from dairy type to dual-purpose type. On the contrary, the reproduction ability increases with the probable difference between the groups (P<0,01-0,001).
According to these indicators the cows of intermediate type occupies the middle position. The age of the first calving in the cows of all three groups was practically the same and fluctuated within 33.2-33.9 months.
The ways of further improving the productive qualities on the basis of the analysis of economically useful charecteristics of cows of the Ukrainian white-headed breed were identified.
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About journal
Аnimal feeding and feed technology; current problems of animal breeding, breeding and hygiene; food safety and food processing technology; aquatic bioresources and aquaculture
Certificate of state registration of the print media: КВ № 21523-11423Р 18.08.2015
Founder of the collection: Vinnytsia National Agrarian University, Georgia Academy of Agricultural Sciences
Editor-in-Chief: Viktor Mazur, Candidate of Agricultural Sciences Associate Professor, VNAU (Vinnytsia)
Deputy editors-in-chief: Aleksidze G.M., D.Sc.(Ph.D.), academician of the Academy of agricultural sciences of Georgia; Yaremchuk O.S., D.Sc.(Ph.D.) Professor, University of Vinnitsa (Vinnytsia)
Secretary in charge: L. Kazmiruk
Editorial Board full list
Editorial board
Mazur Viktor, Candidate of Science, Associate Professor of VNAU (Editor-in-Chief);
Guram Aleksidze, Ph.D., Academician of the Academy of Agricultural Sciences Georgia (Deputy Editor-in-Chief);
Yaremchuk Oleksandr, Ph.D., Professor, VNAU (Deputy Editor-in-Chief);
Members of the Editorial Board:
Ibatullin Ildus, Ph.D., Professor, Academician, NULES;
Kaletnik Hryhoriy Ph.D. (Economics), Academician of NAAS of Ukraine, VNAU;
Zakharenko Mykola Oleksandrovych, Ph.D., Professor, NULES;
Vashakidze Archil, Ph.D., Academician, National Coordinator for Agricultural Electrification and Automation (Georgia);
Giorgadze Anatoly, Ph.D. (Engineering), Academy of Agricultural Sciences of Georgia;
Grib Josip, Ph.D, Professor of NUHPP;
Dzhaparidze Givi, Ph.D. (Economics), Academician, Vice-President of the Academy of Agricultural Sciences science of Georgia;
Georgiy Yeresko, Ph.D. (Engineering), Professor, Corresponding Member of NAAS of Ukraine, Institute of Food Resources;
Vlasenko Volodymyr, Ph.D.(Engineering), Professor of VTEI;
Kulyk Mykhaylo, Ph.D., Professor, Corresponding Member of NAAS of Ukraine, VNAU;
Kucheriaviy Vitaliy, Ph.D.(Engineering), Professor, VNAU;
Lysenko Alexander, Ph.D., Professor, Research Institute of Experimental Veterinary Science, Academy of Sciences of Belarus (Minsk);
Lyotka Halyna, Ph.D., Associate Professor of VNAU;
Mazurenko Mykola, Ph.D., (Engineering), Professor;
Polishchuk Galina, Ph.D., Associate Professor;
Sychevsky Mykola, Ph.D.(Economics), Professor, Corresponding Member of the National Academy of Sciences of Ukraine, Institute of Food Resources;
Skoromna Oksana, Ph.D., Associate Professor;
Chagelishvili Revaz, Ph.D., Academician, National Forestry Coordinator (Georgia);
Chudak Roman, Ph.D., (Engineering), Professor, VNAU;
Sheiko Ivan, Doctor of Science, Professor, Institute of Animal Science of the Academy of Sciences of Belarus (Zhodino);
Kazmyruk Larisa, Ph.D., Associate Professor of VNAU (secretary in charge).
Edition: Collection
Type of publication for the intended purpose: scientific
Edition status: shared
Year of foundation: 2015
Frequency: 1 to 5 times a year
Volume: 4 to 10 ppm (format A-4)
Edition language: (different languages) Ukrainian, Georgian, English, Russian
Scope and category of readers: nationwide, foreign researchers, university professors, graduate students, students and professionals of agriculture and fisheries and food production
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Agrarian Science and Food Technology Established in 1994 under the name of the Collection of Scientific Works of VSAU.
According to the Resolution of the Presidium of the Higher Attestation Commission of Ukraine of September 11, 1997, this publication has acquired the status of a professional, in which it is allowed to publish the main results of the dissertation research in the fields of "Agronomy", "Animal engineering" and "Economic Sciences".
In 2001-2014 it was published under the title "Collection of scientific works of Vinnytsia National Agrarian University".
Since 2015 it is:"Agricultural Science and Food Technologies".
Listed in the updated list of scientific professional editions of Ukraine in agricultural sciences under the name "Agrarian Science and Food Technologies" (ground: Order of the Ministry of Education and Science of Ukraine of May 16, 2016 No. 515).
