Results 31 to 40 of about 6,966,914 (191)

Impact of prepartum body condition score loss on metabolic status during the transition period and subsequent fertility in Brown Swiss dairy cows

open access: yesJournal of Veterinary Research, 2019
The objectives of this study were to determine the role of a fall in pre-calving body condition score (BCS) in postpartum metabolic status and reproductive outcomes, and gauge the indicativeness of blood metabolites during the transition period.
Çolakoğlu Hatice Esra   +9 more
doaj   +1 more source

DEVELOPING AN ALGORITHM FOR BODY CONDITION SCORING OF DAIRY COWS

open access: yesAgricultural engineering, 2022
Cow’s body condition scoring (BCS) based on neural network algorithms is necessary to monitor the health and productivity of the animals. To develop an algorithm for assessing the physiological fatness of dairy cows according to the parameters of the fermur heads, the sacrum and the hunger hollow, the authors studied eighty animals on a farm of the ...
openaire   +1 more source

Validation of mid-infrared spectrometry in milk for predicting body energy status in Holstein-Friesian cows [PDF]

open access: yes, 2012
Cow energy balance is known to be associated with cow health and fertility; therefore, routine access to data on energy balance can be useful in both management and breeding decisions to improve cow performance.
McParland, S.   +17 more
core   +1 more source

A Body Condition Scoring Chart for Holstein Dairy Cows

open access: yesJournal of Dairy Science, 1989
Abstract A chart for body condition scoring of freely moving Holstein dairy cows was developed using an iterative process consisting of literature review, interviews with experts, field testing, statistical analysis, and comments from chart users. The chart consists of text and diagrams that detail changes in conformation with body condition change ...
A.J. Edmonson   +4 more
openaire   +1 more source

Prenatal maternal effects on body condition score, female fertility, and milk yield of dairy cows [PDF]

open access: yes, 2007
In this study, maternal effects were described as age of dam at first and second calving, first-lactation body condition score (BCS) of the dam during gestation, and milk yield of the dam.
Brotherstone, S.   +5 more
core   +1 more source

Relationship between live weight and body condition score in Irish Holstein-Friesian dairy cows [PDF]

open access: yes, 2011
peer-reviewedThe objective of this study was to quantify the change in live weight (LWT) per unit change in body condition score (BCS) for Irish Holstein-Friesian dairy cows. Mixed model analyses were performed on 82 948 test-day records of BCS and LWT
P. Dillon   +5 more
core   +1 more source

Metabolic attributes, yield and stability of milk in Jersey cows fed diets containing sodium citrate and sodium bicarbonate

open access: yesPesquisa Agropecuária Brasileira, 2013
The objective of this work was to evaluate the inclusion of sodium citrate and sodium bicarbonate in the diet of lactating Jersey cows, and its effects on the metabolic attributes, productivity and stability of milk.
Marcelo Tempel Stumpf   +5 more
doaj   +1 more source

Genetic profile of total body energy content of Holstein cows in the first three lactations [PDF]

open access: yes, 2005
Weekly total body energy content (TBEC) was calculated for 444 Holstein cows in their first 3 lactations. These calculations were based on body lipid and protein changes predicted from weekly changes in body condition score and live weight of each cow ...
Banos, G   +3 more
core   +1 more source

The evaluation of body condition scoring of Holstein-Friesian cows

open access: yesActa Agraria Debreceniensis, 2008
We carried out the examinations on a farm of 500 cows where We examined the body condition of the stock every month. We recorded the body condition data together with the milk production and calving data. We analysed the daily milk production as well as the body condition.
Edit Mikó Józsefné Jónás   +2 more
openaire   +2 more sources

Technical note: Prediction of liveweight from linear conformation traits in dairy cattle [PDF]

open access: yes, 2012
The objectives of this study were to derive phenotypic and genetic prediction equations of liveweight from linear conformation traits, and estimate genetic and phenotypic parameters for these traits.
Coffey, M. P.   +3 more
core   +1 more source

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