Results 11 to 20 of about 691,948 (362)

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

Clinical and structural changes in reproductive organs and endocrine glands of sterile cows [PDF]

open access: yesVeterinary World, 2020
Aim: The study aimed to determine both macroscopic and microscopic changes in the reproductive organs of sterile cows. Materials and Methods: Careful clinical and gynecological examinations (using histological and histochemical methods) of organs of ...
Evgeny Skovorodin   +4 more
doaj   +1 more source

The Processes of Nutrition and Metabolism Affecting the Biosynthesis of Milk Components and Vitality of Cows with High- and Low-Fat Milk

open access: yesAnimals, 2022
In order to clarify the mechanism of the depression of milk fat formation and preserve the health of animals, the aim of the research was to study the characteristics of rumen digestion, energy metabolism, and milk composition in high-producing dairy ...
Evgeniy Kharitonov
doaj   +1 more source

Immune response of cows fed polyunsaturated fatty acids under high ambient temperatures [PDF]

open access: yes, 2009
The aim of the experiment was to determine the effects of 2 different fat supplementations on immune functions of dairy cows under high ambient temperatures.
Albenzio, M   +5 more
core   +1 more source

Relationship between Oxidative Stress and Endometritis: Exploiting Knowledge Gained in Mares and Cows

open access: yesAnimals, 2022
The etiopathogenesis of endometritis in mares and cows differs significantly; this could depend on a different sensitivity and reactivity of the uterus but also on endocrine and rearing factors and different stress sources.
Raffaele Boni, Stefano Cecchini Gualandi
doaj   +1 more source

Comparative study of lactation curves and milk quality in Holstein versus Swedish Red and White-Holstein Cross Cows [PDF]

open access: yes, 2018
The objective of this study reported in this research paper was to compare the lactation curves of the production of milk, fat, protein, percentages of fat and protein, and somatic cell score in purebred Holstein (H) cows and Swedish Red and White (SRW) -
Lembeye, Felipe   +4 more
core   +1 more source

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

A Non-Invasive Sound Technology to Monitor Rumen Contractions

open access: yesAnimals, 2022
This technical report used a wireless device (CURO MkII) that recorded high-quality rumen sound waves from cows of different production statuses (dry cow vs. lactating cow) and physiological stages (pregnant vs. non-pregnant).
Einar Vargas-Bello-Pérez   +2 more
doaj   +1 more source

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

Severity of experimental escherichia-coli mastitis in ketonemic and nonketonemic dairy-cows. [PDF]

open access: yes, 1993
The severity of experimental Escherichia coli mastitis in relation to in vitro chemotaxis of polymorphonuclear leukocytes was investigated in cows during negative energy balance. The negative energy balance was induced by feed restriction.
Brand, A   +6 more
core   +1 more source

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