Results 21 to 30 of about 311,062 (183)
Neutrinos and the Standard Model [PDF]
, 2000 Since their "discovery" by Pauli in 1930, neutrinos have plaed a key part in confirmation of the structure of the standard model of strong and electroweak interactions.
Holstein, Barry R.
core +3 more sources
Czech Journal of Animal Science, 2008 : We analysed the relations of estimated breeding values (EBV) of 315 German Holstein sires to their genotypes in growth hormone gene (GH1), growth hormone receptor gene (GHR) and acylCoA-diacylglycerol acyltransferase 1 (DGAT1).
E. Hradecká +4 more
doaj +1 more source
Revista Colombiana de Ciencias Pecuarias, 2022 Background: Farm profitability depends on raising healthy calves, which rests on successful feeding and management programs. Objective: To determine the effects of weaning weight on growth performance, feed efficiency, behavioral traits, as well as ...
Rıdvan Koçyiğit +6 more
doaj +1 more source
Animals, 2023 We evaluated the influence of CSN1S1 and LALBA polymorphisms on cow’s milk yield and quality. The analysis was done on Czech Simmental and Holstein cows. Non-genetic factors were included as well.
Jindřich Čítek +8 more
doaj +1 more source
How Large is the "Natural" Magnetic Moment? [PDF]
, 2006 The "natural" magntic moment of a particle of spin S is generally assumed to be that given by the Belinfante conjecture and has the value g=1/S for its gyromagnetic ratio. Thus, for the spin 1/2 electron we find the Dirac value $g_e=2$.
Holstein, Barry R.
core +3 more sources
A comparative analysis of rumen pH, milk production characteristics, and blood metabolites of Holstein cattle fed different forage levels for the establishment of objective indicators of the animal welfare certification standard [PDF]
Animal Bioscience, 2022 Objective This study was conducted to obtain an objective index that can be quantified and used for establishing an animal welfare certification standard in Korea. For this purpose rumen pH, ruminating time, milk yield, milk quality, and blood components
Dong Jin Baek +5 more
doaj +1 more source
Holstein irkı bir İnekte karşılaşılan erken dönem fetal maserasyon olgusu [PDF]
Kafkas Universitesi Veteriner Fakültesi Dergisi, 2013 This case report describes a case of a cow shaped fetal maceration and operative results are presented in the early period. Undetected signs of vitality of the fetus by rectal examination, the uterus and vaginal examination, crepitus in the cervix with ...
HASAN ORAL, MUSHAP KURU, SEMRA KAYA
doaj +1 more source
Turkish 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
Sperm protein markers for Holstein bull fertility at National Artificial Insemination Centers in Indonesia [PDF]
Veterinary World, 2020 Background and Aim: Holstein cows and heifers are widely bred in Indonesia by artificial insemination (AI) to increase population and milk production. Sperm fertility is modulated by genetic factors, but the analysis of sperm quality is still based on ...
Zulfi Nur Amrina Rosyada +3 more
doaj +1 more source
Revista 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