scholarly journals Genetic evaluation of producers of Kulunda fine-wool sheep breed by the quality of progeny

Author(s):  
S. I. Storozhuk ◽  
V. L. Petukhov ◽  
V. A. Andreeva ◽  
E. A. Klimanova ◽  
T. V. Konovalova ◽  
...  

The authors have studied the genetic value of producers of the aboriginal Kulunda finewool sheep breed based on various analysis methods of the productivity of their progeny. The data on 574 offspring (daughters) received from 16 rams-producers of the “Steptoe” breeding farm of Altai Krai were used in the research. The genotypes of ram progeny were evaluated by the productivity of the rams at one year of age. In assessing the fathers, the number of effective daughters needed to confirm a sufficient number of offspring was calculated. Water, soil, and feed were tested for heavy metals content in the sheep breeding area, which did not exceed the MPC (Maximum Permissible Concentration). The breeding indices of the progeny ranged from 114 to 1562. The live weight of the rams was 120 kg. The live weight of the daughters was 50.0 kg. The sheep (daughters) had a wool gain of 5.7 kilograms per ewe. The authors established a high homogeneity of the genotypes of rams producers in terms of the live weight of daughters. The genetic variability of the fathers was 3.2%. According to productivity indices, the rams-producers (#4452, 26133, 3611, 0125 and 44244) occupied the first five ranks. The effect of the genotypes of ram producers on the daughters’ live weight and wool hair gain was established. The ranking data showed the advantage of daughters in several traits obtained from prepotent producers. The authors suggest that ram sires no. 3611, 0125, 26133 and 44244 should be used extensively to improve breeding efficiency. The authors also applied the Hozo method in the absence of normal distribution of traits. In other cases, data processing by methods of variation statistics was used.

Author(s):  
Larisa SKORYKH ◽  
Vitaly GRINCHENKO ◽  
Michael AFANASYEV ◽  
Nina KONIK

As the livestock industry, sheep breeding takes the third place in the world, this is one of the most extensive types of agriculture. Currently, the main attention in the sheep breeding is directed to increasing in meat productivity and improving the quality of products. The important technique that contributes to the increase and improvement of the quality of livestock production is the use of laser radiation. The article presents the results of research directed to studying of influence of low-intensity laser radiation on the organism of young sheep. The area of impact of laser radiation on the animal organism is defined. The positive influence of laser radiation on the growth and development of young sheep and their immune reactivity is established. The revealed regularity is confirmed by the bigger size of the live weight, increased energy of growth in all studied periods of ontogenetic development, the more developed factors of natural protection at the experimental animals. The effectiveness of the directed impact of laser puncture on the organism of young sheep has been proved to improve meat productivity and resistance. The developed method of laser puncture can be used to increase the meat productivity, safety and resistance of young sheep.


2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Samardžić M. Miljan ◽  
Galić A. Zoran ◽  
Jajić M. Igor ◽  
Latković S. Dragana ◽  
Vasin R. Jovica ◽  
...  

AbstractThe aim of this work is to show a calculation procedure for obtaining estimations for the carbon footprint of 1 kg of live weight of ewe, ram and lamb at the farm gate, taking into account regional typological features of agricultural production in agroecosystems. The methodology of carbon footprint (CF) calculation is based on the life cycle assessment (LCA) methodology developed for agricultural products. Results revealed that in modern technology of sheep breeding, 21.41 kg CO2 e was emitted on average per kg of body weight of ewe, 19.13 kg CO2 е was emitted on average per kg of body weight of ram, 3.2 kg CO2 e was emitted on average per kg of body weight of lamb. The main distinction of Vojvodina province is the low efficiency of fertiliser application on crop fields and manure management, storage and utilisation, which has as a result high emissions of nitrous oxide. This is the field where the implementation of intensive technologies of precise farming, manure handling, utilisation and management will significantly decrease GHG emission, with preserving yield of crops and quantity and quality of sheep of all categories.


2021 ◽  
Vol 262 ◽  
pp. 02019
Author(s):  
Narzhan Zhumadillayev ◽  
Yusupzhan Yuldashbaev ◽  
Amanbai Karynbaev ◽  
Akmal Khudaiberdiev ◽  
Beslan Efendiev

The article presents the dynamics of changes in live weight for a year, measurements, body build indices and productivity of one-year-old pure-bred Kazakh fine-wool female lambs and crossbreeds of different bloods with German meat merino, when creating a fine-wool meat sheep breed in the south-east of Kazakhstan - “Etti merino”. The resulting crossbred offspring are characterized as large animals, with a high live weight and good meat forms.


REVITALISASI ◽  
2020 ◽  
Vol 8 (1) ◽  
pp. 56
Author(s):  
Dessy Kusuma Wardani ◽  
Edy Swasono

This study aims to identify the dominant factors of the successful implementation of benchmarking on the performance of contracting companies and test the significance of the application of benchmarking on the performance of contracting companies. The research sample was saturated samples of 65 qualified contractor companies. The method and type of research used were correlational methods of multiple regression analysis using SPPS. The results of the study concluded that 1.Benchmarking significantly influences the performance of contracting companies in the Blitar City DPUPR; 1. The ranking of success factors for the Blitar City contractor companies in the process of implementing benchmarking (1) planning, (2) data collection, (3) acception and action and (4) analysis; 2.Benchmarking has proven to significantly improve company performance as measured by increasing (1) Corporate Finance (2) Company productivity, (3) DPUPR Consumer Satisfaction, (4) Community Satisfaction, (5) Quality of the company's construction technical personnel, (6) Satisfaction employee work, (7) Project acquisition rate in one year, (8) Effective completion of construction work, (9) Construction product quality.


2019 ◽  
Vol 38 (1) ◽  
Author(s):  
Oksana Kamenskaya ◽  
Asya Klinkova ◽  
Irina Loginova ◽  
Alexander Chernyavskiy ◽  
Dmitry Sirota ◽  
...  

The results of scientific research are presented, which made it possible to develop less labor-intensive methods for selecting flax plants to grow original (updated) seeds. Studies have shown that a positive selection of tall plants of flax, compared with the accepted counterpart (control), increased seed yield 1.7-1.9 times. Moreover, plant homogeneity according to the main characteristics (height and fiber content in the stem) characterizing the varietal quality of grown seeds turned out to be at the control level. A negative selection, involving the removal of atypical plants, provided an increase in the output volume of seeds compared to the control by 3.9-4.1 times. This selection method did not reduce the varietal quality of seed material compared to the accepted analogue. With both selection methods, after combining typical plants, seeds with the same high germination rates were obtained (96-99 %). The breeding efficiency of the grown flax seeds using narrow-row sowing methods is shown. Studies have established that narrow-row sowing of seeds with a row-spacing of 7.5 and 6.25 cm compared with sowing by a wide-row method significantly increased their yield by 2.8-3.0 and 2.3-3.0 kg / ha, respectively. The greatest influence on the formation of seed yield in narrow-row sowing (6.25 cm) was exerted by the method of sowing, the part of which was 76.1 %. As the length of seed propagation of flax in creased (up to the uterine elite 2 years) in narrow-row sowing (6.25 cm) compared to broad-row, there was no decrease in quality indicators - germination and seed strength.


Sign in / Sign up

Export Citation Format

Share Document