Results 31 to 40 of about 142,627 (349)

Análisis de QTL asociados a polimorfismos de nucleótido único (SNP) involucrados en el fenotipo lechero del ganado Holstein

open access: yesRevista Mexicana de Ciencias Pecuarias, 2020
El objetivo fue identificar QTL asociados a polimorfismos de nucleótido único (SNP) cuya acción contribuya al desarrollo fenotípico productivo, reproductivo y de salud del ganado lechero de raza Holstein. Ubicados en 120 genes del genoma Bos taurus UMD_3.
José Manuel Valdez-Torres   +3 more
doaj   +1 more source

A Study on the Definition of Some Biochemical Parameters and Oxidative Status According to Milk Yield in Cows

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2021
Our study, which investigates the factors affecting milk yield at metabolic and oxidative stress levels in Holstein breed cows raised in Aksaray Region, is the first at the regional level.
Neşe Hayat Aksoy   +3 more
doaj   +1 more source

Effect of rectal temperature on efficiency of artificial insemination and embryo transfer technique in dairy cattle during hot season

open access: yesCzech 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

Excitation spectrum of the Holstein model [PDF]

open access: yesPhysical Review B, 1998
In this paper the polaron problem for the Holstein model is studied in the weak coupling limit. We use second order perturbation theory to construct renormalized electron and phonons. Eigenstates of the Hamiltonian are labelled and the excitation spectrum is constructed.
openaire   +3 more sources

Metabolic indicators and their relationship with reproductive efficiency in dairy cows in the high tropics

open access: yesRevista 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

Döl Tutma Problemi Olan Holştayn Irkı Sığırlarda Sitogenetik ve Moleküler Genetik Taramalar

open access: yesJournal 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

Impact of epistasis effects on the accuracy of predicting phenotypic values of residual feed intake in U. S Holstein cows

open access: yesFrontiers 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

Association of BoLA DRB3 gene polymorphisms with BoHV-1 infection and zoothecnical traits [PDF]

open access: yesOpen 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

Performance of lactating cows fed sugarcane silage treated with microbial additives

open access: yesRevista 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

Opferschutz in Schleswig-Holstein [PDF]

open access: yes, 1997
Vorgestellt wird ein Bericht der Landesregierung von Schleswig-Holstein, in dem Maßnahmen zur Verbesserung des Opferschutzes und zur Umsetzung des geltenden Opferentschädigungsgesetzes durch die zuständigen Landesbehörden darlegt werden.

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