Zobrazeno 1 - 10
of 146
pro vyhledávání: '"economic weight"'
Autor:
S. Ruban, V. Danshyn, M. Matvieiev, I. Lastovska, O. O. Borshch, O. V. Borshch, V. Bilkevych, M. Fedorchenko, V. Lykhach
Publikováno v:
Journal of the Indonesian Tropical Animal Agriculture, Vol 48, Iss 4, Pp 258-268 (2023)
The aim of the research was to develop a selection index for the evaluation and selection of dairy cattle for increasing milk production and reproductive traits. Materials of the research were data on milk production and reproduction of cows of the U
Externí odkaz:
https://doaj.org/article/23809708e0024928b7e05da10caa19c2
Publikováno v:
فیزیولوژی محیطی گیاهی, Vol 17, Iss 65, Pp 86-102 (2022)
In order to selection of best individual caused Iranian traditional rice variety, Tarommahalli (as the female parent), and a mutant Tarommahalli, (as the male parent) crosses an experiment was conducted using 350 individulas of F2 generation. from wh
Externí odkaz:
https://doaj.org/article/6e359777037341d4b1b33b79e4960616
Autor:
Shahlaa K. Aboud, Vian A. M. Lawand
Publikováno v:
مجلة جامعة الأنبار للعلوم الإنسانية, Vol 2021, Iss 4, Pp 4719-4738 (2021)
India is one of the countries with a large area that ranks seventh in the world in terms of area and the second in the Asian continent after China, in addition to having a strategic location in Central Asia, and a maritime continental country at the
Externí odkaz:
https://doaj.org/article/17144228aee04d54837f1ad6640ca381
Autor:
C.M. Richardson, C.F. Baes, P.R. Amer, C. Quinton, P. Martin, V.R. Osborne, J.E. Pryce, F. Miglior
Publikováno v:
Animal, Vol 14, Iss 1, Pp 171-179 (2020)
Feed represents a substantial proportion of production costs in the dairy industry and is a useful target for improving overall system efficiency and sustainability. The objective of this study was to develop methodology to estimate the economic valu
Externí odkaz:
https://doaj.org/article/faf5dc875e7440869314ffcc938c249b
Publikováno v:
Animals, Vol 13, Iss 7, p 1216 (2023)
This study aimed to evaluate the economic impact of improving feed efficiency on breeding objectives for Iranian Holsteins. Production and economic data from seven dairy herds were used to estimate the economic values of different traits, and a meta-
Externí odkaz:
https://doaj.org/article/c95adc11a1e3414ca5def41602321c0c
Publikováno v:
Animal, Vol 15, Iss 5, Pp 100198- (2021)
Small ruminant breeding programmes in low-input production systems are best organised at the community level. Participant farmers have to agree on goal traits and their relative importance. When BLUP breeding values of goal traits are not available i
Externí odkaz:
https://doaj.org/article/2b0c343e8aa149a880acec0598de6fe0
Autor:
Kenji Togashi, Kazunori Adachi, Takanori Yasumori, Kazuhito Kurogi, Takayoshi Nozaki, Akio Onogi, Yamato Atagi, Tsutomu Takahashi
Publikováno v:
Asian-Australasian Journal of Animal Sciences, Vol 31, Iss 1, Pp 19-25 (2018)
Objective In practical breeding, selection is often performed by ignoring the accuracy of evaluations and applying economic weights directly to the selection index coefficients of genetically standardized traits. The denominator of the standardized c
Externí odkaz:
https://doaj.org/article/2aa28e3e7cb84a62b97ebf41a62b9f32
Akademický článek
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Akademický článek
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Publikováno v:
Biotechnology in Animal Husbandry, Vol 31, Iss 1, Pp 63-72 (2015)
Production, reproduction, management and economical parameters obtained from data collected from 1993 to 2012 Makui sheep research station of West Azerbaijan province in Iran were evaluated in the present study. Traits included of fertility, pregnanc
Externí odkaz:
https://doaj.org/article/0d5ad35996ad4fcc838b822ab9bef7e5