Results 31 to 40 of about 311,425 (281)
Czech Journal of Animal Science, 2020 This study aimed to evaluate the effects of rectal temperature (RT) as well as artificial insemination (AI) technique on pregnancy rates in Holstein cows and artificial insemination or embryo transfer (ET) techniques in Holstein heifers during summer ...
Tibor Zubor +5 more
doaj +1 more source
Revista de Ciencias Agrícolas, 2023 The specialized herds of the high tropics of Nariño are characterized by semi-intensive breeding models, that is, feeding based on grazing and supplementation.
Gema Lucia Zambrano-Burbano +2 more
doaj +1 more source
, 2006 We review variational and quantum Monte Carlo approaches based on (extended) Lang-Firsov transformations of the Hamiltonian. Derivations for one, two and many electrons are given, and results for the Holstein polaron, the Holstein-Hubbard bipolaron, and ...
Hohenadler, Martin +1 more
core +1 more source
Holstein-Primakoff Realizations on Coadjoint Orbits [PDF]
, 1996 We derive the Holstein-Primakoff oscillator realization on the coadjoint orbits of the $SU(N+1)$ and $SU(1,N)$ group by treating the coadjoint orbits as a constrained system and performing the symplectic reduction.
Oh, Phillial, Rim, Chaiho
core +2 more sources
Frontiers in Genetics, 2022 The impact of genomic epistasis effects on the accuracy of predicting the phenotypic values of residual feed intake (RFI) in U.S. Holstein cows was evaluated using 6215 Holstein cows and 78,964 SNPs.
Zuoxiang Liang +11 more
doaj +1 more source
Döl Tutma Problemi Olan Holştayn Irkı Sığırlarda Sitogenetik ve Moleküler Genetik Taramalar
Journal of Agricultural Sciences, 2016 Sığır yetiştiriciliğinde repeat breeder sendromu olarak adlandırılan döl tutma problemi önemli bir sorundur. Holştayn ırkı sığırlarda bu problemin ortaya çıkmasında bakım-beslemenin yanı sıra Robertsonian translokasyon ve faktör XI yetmezliği FXID ...
Korhan Arslan +3 more
doaj +1 more source
Association of BoLA DRB3 gene polymorphisms with BoHV-1 infection and zoothecnical traits [PDF]
Open Veterinary Journal, 2020 Background: Dairy sector is one of the leading in agricultural production in the world and the bovine herpesvirus 1 (BoHV-1) is an important pathogen that causes great losses in most production systems.
Juan Pablo Arismendy Morales +2 more
doaj +1 more source
Single Boson Images Via an Extended Holstein Primakoff Mapping [PDF]
, 1999 The Holstein-Primakoff mapping for pairs of bosons is extended in order to accommodate single boson mapping. The proposed extension allows a variety of applications and especially puts the formalism at finite temperature on firm grounds.
A. Klein +16 more
core +6 more sources
Polarons in Heterogeneous Photo(electro)Catalysts
Angewandte Chemie, EarlyView.Polarons are defined as quasiparticles consisting of electrons/holes covered by a cloud of virtual phonons, which are beneficial/detrimental to the electronic properties of materials. This minireview provides a conceptual overview of how small polaron formation influences the photon absorption, charge transport and separation, and surface reactivity in
Hao Wu, Fatwa F. Abdi, Yun Hau Ng
wiley +2 more sources
Performance of lactating cows fed sugarcane silage treated with microbial additives
Revista Colombiana de Ciencias Pecuarias, 2021 Background: No studies have been conducted evaluating sugarcane silage associated with both Lactobacillus plantarum and Pediococcus pentosaceus for lactating dairy cows.
Lucas L. Cardoso +6 more
doaj +1 more source