يعرض 1 - 20 نتائج من 55,528 نتيجة بحث عن '"a cow"', وقت الاستعلام: 0.74s تنقيح النتائج
  1. 1
    Academic Journal
    Dairy cows' responses to 2 separation methods after 3 months of cow-calf contact.

    المؤلفون: Vogt, Anina1 (AUTHOR) anina.vogt@agrar.uni-giessen.de, Waiblinger, Susanne2 (AUTHOR), Palme, Rupert3 (AUTHOR), König von Borstel, Uta1 (AUTHOR), Barth, Kerstin4 (AUTHOR)

    المصدر: Journal of Dairy Science. Feb2025, Vol. 108 Issue 2, p1940-1963. 24p.

    مصطلحات موضوعية: COW-calf system, PHYSIOLOGY, MILK yield, SEARCHING behavior, PRESSURE sensors, COWS, DAIRY cattle, LACTATION in cattle

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  2. 2
    Academic Journal
    Calf performance in a cow-driven cow-calf contact system: Effect of 2 methods to gradually reduce cows' access to their calf.

    المؤلفون: Sørby, Johanne1 (AUTHOR) johanne.sorby@nmbu.no, Johnsen, Julie F.2 (AUTHOR), Kischel, Stine G.3 (AUTHOR), Ferneborg, Sabine1 (AUTHOR)

    المصدر: Journal of Dairy Science. Jul2024, Vol. 107 Issue 7, p4646-4657. 12p.

    مصطلحات موضوعية: COW-calf system, COWS, CALVES, TREATMENT effectiveness, WEIGHT gain, DEBONDING

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  3. 3
    Book
    Structure, management practices, and production costs of U.S. beef cow-calf farms / Jeffrey Gillespie, Christine Whitt, and Christopher Davis.

    المؤلفون: Gillespie, Jeffrey (Research agricultural economist)

    مصطلحات موضوعية: Beef cattle -- Cow-calf system -- Management. -- United States, Beef cattle -- Technological innovations -- United States., Farm income -- United States., Agricultural innovations -- United States., Agricultural surveys -- Data processing. -- United States

    الوصول للمادة أونلاين: https://purl.fdlp.gov/GPO/gpo223991
    https://www.ers.usda.gov/webdocs/publications/107013/err-321.pdf

    View record in Government Printing Office (GPO)

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  4. 4
    Academic Journal
    Superovulation of dairy cows using recombinant FSH (bscrFSH): Effect of the number of FSH applications on ovarian response, hormone profiles, and in vivo embryo production.

    المؤلفون: Gutierrez-Reinoso, Miguel A.1,2 (AUTHOR), Escribano, Eduardo H.1,3 (AUTHOR), Cabezas, Ignacio4 (AUTHOR), Hugues, Florence4 (AUTHOR), Parra, Natalie C.5 (AUTHOR), Zúniga, Roxana5 (AUTHOR), Sánchez, Oliberto5,6 (AUTHOR), Toledo, Jorge R.5,7 (AUTHOR), Garcia-Herreros, Manuel1,8,9 (AUTHOR) herrerosgm@gmail.com

    المصدر: Theriogenology. Mar2025, Vol. 234, p42-50. 9p.

    مصطلحات موضوعية: *CORPUS luteum, *COW testing, *DAIRY cattle, *ANIMAL welfare, *EMBRYOS, *OVARIAN follicle


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  5. 5
    Academic Journal
    CRISPR-Cas13a-Based Lateral Flow Assay for Detection of Bovine Leukemia Virus.

    المؤلفون: Zhao, Yuxi1,2 (AUTHOR) yuxiz@webmail.hzau.edu.cn, Dai, Jingwen3 (AUTHOR) daijingwen0264@163.com, Zhang, Zhen4 (AUTHOR) zzgxu@163.com, Chen, Jianguo1,2 (AUTHOR) chenjg@mail.hzau.edu.cn, Chen, Yingyu1,2 (AUTHOR) chenyingyu@mail.hzau.edu.cn, Hu, Changmin1,2 (AUTHOR) hcm@mail.hzau.edu.cn, Chen, Xi1,2 (AUTHOR) chenxi@mail.hzau.edu.cn, Guo, Aizhen1,2 (AUTHOR) zzgxu@163.com

    المصدر: Animals (2076-2615). Nov2024, Vol. 14 Issue 22, p3262. 14p.

    مصطلحات موضوعية: *BOVINE leukemia virus, *COW testing, *ANIMAL health, *POLYMERASE chain reaction, *SIMPLE machines

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  6. 6
    Academic Journal
    Comparison of suckling and artificial rearing on calf growth and milk requirements in pastoral dairy systems.

    المؤلفون: Bryant, Racheal H.1 (AUTHOR) racheal.bryant@lincoln.ac.nz, Beckett, Paige1 (AUTHOR), Tey, Lucas1 (AUTHOR), Burgess, Riki1 (AUTHOR), Curtis, Jeffery1 (AUTHOR), Heiser, Axel2 (AUTHOR), Turner, Sally-Anne3 (AUTHOR), Hodgkinson, Alison J.3 (AUTHOR)

    المصدر: Animal Production Science. 2024, Vol. 64 Issue 16, p1-11. 11p.

    مصطلحات موضوعية: *COW-calf system, *ANIMAL weaning, *PASTORAL systems, *VACCINE effectiveness, *MILK consumption


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  7. 7
    Academic Journal
    The European Union summary report on surveillance for the presence of transmissible spongiform encephalopathies (TSE) in 2023.

    المصدر: EFSA Journal. Nov2024, Vol. 22 Issue 11, p1-53. 53p.

    مصطلحات موضوعية: *CHRONIC wasting disease, *COW testing, *SCRAPIE, *CONSOLIDATED financial statements, *GOATS

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  8. 8
    Academic Journal
    Fetal sex effects on maternal health can now be tested via randomization: A first-in-class illustration in cows on glucoregulatory outcomes.

    المؤلفون: Suarez-Trujillo, Aridany1 (AUTHOR) asuarezt@berry.edu, Vorland, Colby J.2 (AUTHOR), Nicholls, Griffin T.3 (AUTHOR), Chusyd, Daniella E.2 (AUTHOR), Parker, Chelsie2 (AUTHOR), Golzarri-Arroyo, Lilian2 (AUTHOR), Swann, Sophia1 (AUTHOR), Funnell, Bethany J.4 (AUTHOR), Stewart, Kara R.3 (AUTHOR), Allison, David B.1,2 (AUTHOR) allison@iu.edu

    المصدر: Theriogenology. Nov2024, Vol. 229, p41-46. 6p.

    مصطلحات موضوعية: *COW testing, *GLUCOSE tolerance tests, *DAIRY cattle, *MATERNAL health, *BODY weight


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  9. 9
    Academic Journal
    Competitiveness and comparative advantage in beef cattle production in the Sierra Norte of Puebla, Mexico.

    المؤلفون: Abigail Rojas-Juárez, Lissete1, Jaramillo-Villanueva, José Luis1 jaramillo@colpos.mx, Vargas-López, Samuel1, Cabas-Monje, Juan2

    المصدر: Revista Mexicana de Ciencias Pecuarias. oct-dic2024, Vol. 15 Issue 4, p879-897. 19p.

    مصطلحات موضوعية: *BEEF industry, *COW-calf system, *INCENTIVE (Psychology), *TECHNICAL information, *GOVERNMENT aid


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  10. 10
    Academic Journal
    La IATF como biotecnología para incrementar la productividad en rodeos de cría con diferente grado de ciclicidad al inicio del servicio.

    Alternate Title: FTAI as a biotechnology to increase productivity in cow-calf operations with different degrees of cyclicity at the beginning of breeding season.

    المؤلفون: Marcantonio, S.1 smarcantonio@fvet.uba.ar, Butler, H.2

    المصدر: Taurus. sep2024, Vol. 26 Issue 103, p32-43. 12p.

    مصطلحات موضوعية: *COW-calf system, *CATTLE breeding, *ANESTRUS, *ANIMAL weaning, *FERTILITY


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  11. 11
    Academic Journal
    Behavioral responses of dairy cows and their calves to gradual or abrupt weaning and separation when managed in full- or part-time cow-calf contact systems.

    المؤلفون: Neave, Heather W.1 (AUTHOR) hwneave@gmail.com, Jensen, Emma Hvidtfeldt1 (AUTHOR), Durrenwachter, Marine1 (AUTHOR), Jensen, Margit Bak1 (AUTHOR) margitbak.jensen@anivet.au.dk

    المصدر: Journal of Dairy Science. Apr2024, Vol. 107 Issue 4, p2297-2320. 24p.

    مصطلحات موضوعية: COW-calf system, ANIMAL weaning, CALVES, DAIRY cattle, LACTATION in cattle, ANIMAL welfare, MILK yield

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  12. 12
    Dissertation/ Thesis
    Study of matrix metalloproteinase-9 (MMP-9) nanoparticles and their potential to optimize the cow dry period

    المؤلفون: Gifre Renom, Laia

    المساهمون: University/Department: Universitat Autònoma de Barcelona. Departament de Bioquímica i Biologia Molecular

    Thesis Advisors: Arís Giralt, Anna, García i Fruitós, Elena

    المصدر: TDX (Tesis Doctorals en Xarxa)

    مصطلحات موضوعية: Nanopartícules, Nanopartículas, Nanoparticles, Metal·loproteinasa-9, Metaloproteinasa-9, Metalloproteinase-9, Vaca, Cow, Ciències Experimentals

    وصف الملف: application/pdf

    URL الوصول: http://hdl.handle.net/10803/669701

    View record in TDX

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  13. 13
    Academic Journal
    Effects of 2 gradual debonding strategies on machine milk yield, flow, and composition in a cow-driven cow-calf contact system.

    المؤلفون: Sørby, Johanne1 (AUTHOR) johanne.sorby@nmbu.no, Johnsen, Julie F.2 (AUTHOR), Kischel, Stine G.3 (AUTHOR), Ferneborg, Sabine1 (AUTHOR)

    المصدر: Journal of Dairy Science. Feb2024, Vol. 107 Issue 2, p944-955. 12p.

    مصطلحات موضوعية: COW-calf system, MILK yield, MILKING machines, DEBONDING, FAT content of milk, MILKFAT

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  14. 14
    Academic Journal
    Assessing the emotional states of dairy cows housed with or without their calves.

    المؤلفون: Neave, Heather W.1 (AUTHOR) heather.neave@anivet.au.dk, Rault, Jean-Loup2 (AUTHOR), Bateson, Melissa3 (AUTHOR), Hvidtfeldt Jensen, Emma1 (AUTHOR), Bak Jensen, Margit1 (AUTHOR)

    المصدر: Journal of Dairy Science. Feb2024, Vol. 107 Issue 2, p1085-1101. 17p.

    مصطلحات موضوعية: EMOTIONAL state, COW-calf system, CALVES, CONFIDENCE intervals, JUDGMENT (Psychology), DAIRY cattle

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  15. 15
    Academic Journal
    Economic impacts of constrained replacement heifer supply in dairy herds

    المؤلفون: Kulkarni, Pranav S, Haijema, Rene, Hogeveen, Henk, Steeneveld, Wilma, Mourits, Monique CM

    مصطلحات موضوعية: Agricultural, Veterinary and Food Sciences, Animal Production, Heifer supply, Cow replacement, Multi-component optimization, Retention pay-off, Inter-cow comparison, Environmental Sciences, Agricultural and Veterinary Sciences, Agronomy & Agriculture, Agricultural, veterinary and food sciences, Environmental sciences

    URL الوصول: https://escholarship.org/uc/item/4914q293

    View record in eScholarship

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  16. 16
    Academic Journal
    Improving market (cull) dairy cows' carcass traits and meat quality

    المؤلفون: N. Berdusco, D. Kelton, D. Haley, K.M. Wood, T.F. Duffield

    المصدر: Journal of Dairy Science, Vol 107, Iss 12, Pp 11415-11424 (2024)

    مصطلحات موضوعية: cull cow, market cow, dairy, meat quality, meat tenderness, Dairy processing. Dairy products, SF250.5-275, Dairying, SF221-250

    وصف الملف: electronic resource

    Relation: http://www.sciencedirect.com/science/article/pii/S0022030224010713; https://doaj.org/toc/0022-0302

    URL الوصول: https://doaj.org/article/9afa129ed9f94c80a77f264c008fb4cb

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  17. 17
    Academic Journal
    Shaping cow-calf contact systems: Farmers' motivations and considerations behind a range of different cow-calf contact systems.

    المؤلفون: Bertelsen, Maja1 (AUTHOR) maja@anivet.au.dk, Vaarst, Mette1 (AUTHOR) mette.vaarst@anivet.au.dk

    المصدر: Journal of Dairy Science. Nov2023, Vol. 106 Issue 11, p7769-7785. 17p.

    مصطلحات موضوعية: COW-calf system, DAIRY farm management, AGRICULTURE, ANIMAL welfare, FARMERS, ORGANIC dairy farming

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  18. 18
    Academic Journal
    Three years of situated social learning and development of diverse cow-calf contact systems in Danish organic dairy farms.

    المؤلفون: Vaarst, Mette1 (AUTHOR) mette.vaarst@anivet.au.dk, Christiansen, Iben Alber2 (AUTHOR)

    المصدر: Journal of Dairy Science. Oct2023, Vol. 106 Issue 10, p7020-7032. 13p.

    مصطلحات موضوعية: *DATA warehousing, ORGANIC dairy farming, COW-calf system, SOCIAL learning, FARM managers

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  19. 19
    Academic Journal
    Interrelationships between cows, calves, and humans in cow-calf contact systems—An interview study among Norwegian dairy farmers.

    المؤلفون: Johanssen, Juni Rosann E.1 (AUTHOR) rosann.johanssen@norsok.no, Kvam, Gunn-Turid2 (AUTHOR), Logstein, Brit2 (AUTHOR), Vaarst, Mette3 (AUTHOR)

    المصدر: Journal of Dairy Science. Sep2023, Vol. 106 Issue 9, p6325-6341. 17p.

    مصطلحات موضوعية: COW-calf system, DAIRY farmers, CALVES, COWS, ANIMAL welfare, DAIRY cattle

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  20. 20
    Academic Journal
    Assessing the contribution of nonmarket factors to the market value generated by cow-calf operations in rangelands of the western USA: A true cost accounting approach.

    المؤلفون: Bellon, Mauricio R.1 (AUTHOR) mauricio.bellon.corrales@asu.edu, Hanley, Colleen M.2 (AUTHOR), Jablonski, Becca B. R.3 (AUTHOR), Jablonski, Kevin4 (AUTHOR), Garry, Franklyn5 (AUTHOR), Rhodes, Ryan4 (AUTHOR), Natarajan, Mukunth1 (AUTHOR), Benard, Nicholas1 (AUTHOR), Merrigan, Kathleen1 (AUTHOR)

    المصدر: PLoS ONE. 5/31/2024, Vol. 19 Issue 5, p1-18. 18p.

    مصطلحات موضوعية: *COW-calf system, *COST accounting, *MARKET value, *RANGELANDS, *BEEF cattle, *BEEF industry

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