Results 51 to 60 of about 576,495 (212)

Cation-anion balance in organic silage in relation to prevention of milk fever [PDF]

open access: yes, 2003
Studies of organic farms in Norway have documented that cows in organic herds are less prone to milk fever compared to the overall average incidence of milk fever in Norway. Milk fever occurs most frequently in high-yielding cows, fat cows and older cows.
Henriksen, Britt I. F.
core  

Milk whey protein concentration and mRNA associated with β-lactoglobulin phenotype [PDF]

open access: yes, 2000
Two common genetic variants of β-lactoglobulin (β-lg), A and B, exist as co- dominant alleles in dairy cattle (Aschaffenburg, 1968). Numerous studies have shown that cows homozygous for β-lg A have more β-lg and less α-lactalbumin (α-la) and casein in ...
Auldist, Martin J.   +6 more
core   +2 more sources

TRITICALE IN COW FEEDING

open access: yesЗерновое хозяйство России, 2018
The share of concentrated forage is constantly increasing in the forage balance of the country. The main kind of grain used in husbandry feeding is wheat and it places high demands on soil fertility.
A. P. Gaganov   +2 more
doaj  

Digestibility of organic matter of total mixed rations with the supplementation of yeast culture using the in vitro method

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2007
We conducted this study to evaluate the new in vitro system, DAISYII to determine organic matter (OM) digestibility in ruminant feedstuffs with and without addition of the yeast culture (RUMEX) in the amount of 0 grams; 0.30 grams and 2.40 grams/2L of ...
Jan Doležal, Petr Doležal
doaj   +1 more source

Milk production and survival of spring-calving carryover cows in New Zealand dairy herds : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Animal Science at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2017
Non-pregnant cows are generally culled from dairy herds and replaced with two-year-old heifers. Alternatively, non-pregnant cows can be dried-off at the end of lactation, retained for one year (carried over), before being mated and returned to a milking ...
Gardner, Rachel
core  

In vitro study of dietary factors affecting the biohydrogenation shift from trans-11 to trans-10 fatty acids in the rumen of dairy cows [PDF]

open access: yes, 2012
On the basis of the isomer-specific effects of trans fatty acids (FA) on human health, and the detrimental effect of t10,c12-conjugated linoleic acid (CLA) on cows’ milk fat production, there is a need to identify factors that affect the shift from trans-
Enjalbert, Francis   +3 more
core   +2 more sources

A Metabolomic Overview of Follicular Fluid in Cows

open access: yesFrontiers in Veterinary Science, 2018
Follicular fluid (FF) protects the oocyte against proteolysis and extrusion during ovulation, providing an appropriate microenvironment that favors proper embryonic development; thereby, FF plays a key role in embryo quality.
Tatiane Melina Guerreiro   +7 more
doaj   +1 more source

The Impact of the Sodium Thiocyanate on Preserving the Raw Cow Milk [PDF]

open access: yesAl-Qadisiyah Journal For Agriculture Sciences, 2015
The present study is planned to evaluate the keeping quality of raw milk by activation of its natural lactoperoxidase system (LPS) at about 3 h of the morning milking.
Najim Hadi Najim, Mohamed Khadum Wali
doaj   +1 more source

Apoptosis and necrosis of blood and milk polymorphonuclear leukocytes in early and midlactating healthy cows. [PDF]

open access: yes, 2001
Increased milk somatic cell counts (SCC) are used as an indicator for bovine mastitis. During mastitis, polymorphonuclear leukocytes (PMN) become the predominant cell type.
Burvenich, Christian   +3 more
core   +4 more sources

Post-weaning growth, ultrasound and skeletal measurements, muscularity scores and carcass traits and composition of progeny of five beef suckler cow genotypes [PDF]

open access: yes, 2008
peer-reviewedB. Murphy was in receipt of a Walsh Fellowship provided by Teagasc.Post-weaning growth, ultrasound and skeletal measurements, muscularity scores, and carcass traits and composition of the progeny of spring-calving Limousin (L), Charolais (C),
Drennan, Michael J   +3 more
core  

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