Results 21 to 30 of about 575,053 (311)

Impact of the breeding region and the season on the content of the selected mineral elements in the hair of cows [PDF]

open access: yesJournal of Central European Agriculture, 2015
The aim of the research was to analyze the effect of the season and the breeding region on the content of selected minerals (Ca, Mg, Na and K) in the hair of dairy cows.
Dorota CYGAN-SZCZEGIELNIAK   +5 more
doaj   +1 more source

Environmental effects on progesterone profile measures of dairy cow fertility [PDF]

open access: yes, 2006
Environmental effects on fertility measures early in lactation, such as the interval from calving to first luteal activity (CLA), proportion of samples with luteal activity during the first 60 days after calving (PLA) and interval to first ovulatory ...
B. Berglund   +32 more
core   +1 more source

A symbolic semantics for a clculus for service-oriented computing [PDF]

open access: yes, 2009
We introduce a symbolic characterisation of the operational semantics of COWS, a formal language for specifying and combining service-oriented applications, while modelling their dynamic behaviour.
Pugliese, Rosario   +2 more
core   +1 more source

The Effect of Nutrients on the Reproductive Performance of Dairy Cows

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of this paper is to review the effects of the quality of nutrients in the ration on the reproductive function of dairy cows. Protein supplementation is one of the most important nutrients in milk production. However, an excess of protein over the
Ion Carabă   +7 more
doaj  

Nelore females along a new Brazilian agricultural frontier: hematological and clinical-biochemical approaches

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
The Nelore breed is the second largest bovine breed in the world and has actively participated in the expansion of new Brazilian agricultural frontiers.
L.H.O. Tolentino   +4 more
doaj   +1 more source

Influence of Alternative Methods in Treatment and Precaution of Cow Mastitis

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim is to assess whether homeopathy or other unconventional methods could be used in the treatment or prevention of mastitis in cows and at the same time while measurement of basic microclimatic indicators to determine if a stable climate influences ...
Miloslav Šoch   +9 more
doaj  

An attempt to define the sodium requirements of lactating dairy cows in a tropical environment [PDF]

open access: yes, 2011
BACKGROUND: Lactating dairy cattle in the tropics may require more sodium (Na) owing to the hot and humid climatic conditions. It is unknown whether the current recommendations on Na for lactating cows can be quantitatively used in tropical countries ...
Advances in Veterinary Medicine   +8 more
core   +2 more sources

Using Spline Test-Day Model for Estimating the Genetic Parameters for Cow’s Milk Yield

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Genetic parameters of Montbeliarde cows were estimated for test-day milk yield with a random regression spline model. The spline model has been considered as a good alternative to Legendre polynomials to direct interpretation of parameters.
Rodica Stefania Pelmus   +4 more
doaj  

Fermented soybean meal modified the rumen microbiota and increased the serum prolactin level in lactating Holstein cows

open access: yesFrontiers in Veterinary Science
This study aimed to investigate the effects of fermented soybean meal (FSM) on milk production, blood parameters, and rumen fermentation and microbial community in dairy cows. In this study, 48 healthy Holstein cows (parity, 3.0 ± 0.6; days in milk, 86.0 
Jiyou Zhang   +6 more
doaj   +1 more source

Effects of Farm Size on Milk Production Indices in Romanian Spotted Cows from Hunedoara County

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Researches were carried out on 1707 Romanian Spotted cows raised in farms from Hunedoara County that were enrolled in official performance control scheme. According to the number of milking cows (farm size), farms were divided into three categories small
Alin Bucur (Prisecaru)   +4 more
doaj  

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