دورية أكاديمية
أعرض في EDS

Breeding objectives of Brangus cattle in Brazil.

التفاصيل البيبلوغرافية
العنوان: Breeding objectives of Brangus cattle in Brazil.
المؤلفون: Simões MRS; Postgraduate Program in Animal Husbandry - UFPEL, CAPES, Pelotas, Brazil., Leal JJB; Embrapa South Livestock, Center of Livestock Research of South Brazilian Fields (CPPSul), Brazilian Agricultural Research Corporation, Ministry of Agriculture, Livestock and Food Supply, Bagé, Brazil., Minho AP; Embrapa Southeast Livestock (CPPSE), Brazilian Agricultural Research Corporation, Ministry of Agriculture, Livestock and Food Supply, São Carlos, Brazil., Gomes CC; Embrapa South Livestock, Center of Livestock Research of South Brazilian Fields (CPPSul), Brazilian Agricultural Research Corporation, Ministry of Agriculture, Livestock and Food Supply, Bagé, Brazil., MacNeil MD; Delta G, Miles City, Montana.; Department of Animal, Wildlife and Grassland Sciences, University of the Free State, Bloemfontein, South Africa., Costa RF; Postgraduate Program in Animal Husbandry - UFPEL, CAPES, Pelotas, Brazil., Junqueira VS; Postgraduate Program in Genetics and Improvement by the Federal University of Viçosa, Viçosa, Brazil., Schmidt PI; Animal Husbandry Department - UFPEL, Pelotas, Brazil., Cardoso FF; Embrapa South Livestock, Center of Livestock Research of South Brazilian Fields (CPPSul), Brazilian Agricultural Research Corporation, Ministry of Agriculture, Livestock and Food Supply, Bagé, Brazil., Boligon AA; Animal Husbandry Department - UFPEL, Pelotas, Brazil., Yokoo MJ; Embrapa South Livestock, Center of Livestock Research of South Brazilian Fields (CPPSul), Brazilian Agricultural Research Corporation, Ministry of Agriculture, Livestock and Food Supply, Bagé, Brazil.
المصدر: Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie [J Anim Breed Genet] 2020 Mar; Vol. 137 (2), pp. 177-188. Date of Electronic Publication: 2019 Jun 10.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Blackwell Country of Publication: Germany NLM ID: 100955807 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1439-0388 (Electronic) Linking ISSN: 09312668 NLM ISO Abbreviation: J Anim Breed Genet Subsets: MEDLINE
أسماء مطبوعة: Publication: 1994- : Berlin : Blackwell
Original Publication: Hamburg : P. Parey, c1985-
مواضيع طبية MeSH: Breeding*/economics, Cattle/*physiology, Animals ; Body Weight ; Brazil ; Cattle/growth & development ; Cattle/parasitology ; Costs and Cost Analysis ; Female ; Male ; Models, Economic ; Parasite Load ; Pregnancy ; Pregnancy Rate ; Red Meat/economics ; Red Meat/parasitology ; Selection, Genetic
مستخلص: Our goal was to define a breeding objective for Brangus beef cattle in Brazil. Bioeconomic models were produced and used to estimate economic values (EVs). The scenarios simulated were typical full-cycle beef production systems that are used in tropical and subtropical regions. The breeding objective contained pregnancy rate (PR), warm carcass weight (WCW), mature cow weight (MCW), number of nematode eggs per gram of faeces (EPG) and tick count (TICK). Two models were used in series to estimate the EV. A deterministic model was used to simulate effects of PR, WCW and MCW on profitability with a constant parasite load. Subsequently, stochastic models were used to estimate economic values for TICK and EPG as consequences of their environmental effects on weight gains, mortality and health costs. The EV of PR, WCW, MCW, EPG and TICK, was US$1.59, US$2.11, -US$0.24, -US$5.35 and -US$20.88, respectively. Results indicate positive emphasis should be placed on PR (12.49%) and WCW (65.07%) with negative emphasis on MCW (13.92%), EPG (2.77%) and TICK (5.75%). In comparison with the indexes usually used, these results suggest a reformulation in the selection indexes of the beef production system in tropical and subtropical regions in order to obtain greater profitability.
(© 2019 Blackwell Verlag GmbH.)
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معلومات مُعتمدة: 02.12.02.008.00.00 Empresa Brasileira de Pesquisa Agropecuária
فهرسة مساهمة: Keywords: beef cattle; bioeconomic model; economic value; production system; selection criteria
تواريخ الأحداث: Date Created: 20190611 Date Completed: 20201019 Latest Revision: 20201019
رمز التحديث: 20221213
DOI: 10.1111/jbg.12415
PMID: 31179593
قاعدة البيانات: MEDLINE
الوصف
تدمد:1439-0388
DOI:10.1111/jbg.12415