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Revista Científica, 2023 One of the most important facts in the livestock industry is the need to increase reproductive performance to improve profitability. In the case of water buffalo cows, a calving-to-con-ception interval maximum of 90 days is recommended; however ...
Héctor Nava-Trujillo +2 more
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PLoS ONE, 2022 This study was aimed at determining the median days of calving to conception interval (days open) and identifying the major risk factors determining the days open in dairy cows.
Migbnesh Yekoye Temesgen +4 more
semanticscholar +1 more source
Month and lunar cycle at calving influence and reproductive performance of a tropical buffalo herd
Revista Científica, 2023 A retrospective study (2000-2022) was conducted in a commercial buffalo farm in Mérida State, Venezuela, to assess the effect of month and lunar cycle at calving on some reproductive variables.
José Atilio Aranguren-Méndez +5 more
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JDS Communications, 2021 Within seasonal dairy systems, cows that calve late in the calving season are less likely to become pregnant and maintain a yearly calving interval. Very few studies have examined effective strategies for reproductive management of these late-calving ...
S.G. Moore +7 more
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Animal, 2013 The effects of first calving (FC) in Holstein heifers on their first lactation, second lactation and lifetime milk production were examined from an initial database of 459 743 animals that first calved between 1 January 1990 and 31 July 2010 in Wallonia,
E. Froidmont +5 more
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Scientific Papers Animal Science and Biotechnologies, 2023 Is generally known there is antagonistic relationship between production and reproduction traits. We observed this relationship in dataset of 1 197 478 daily milk records of Holstein cows on the first lactation only, first time calved during years 2003 ...
Zuzana Riecka, Juraj Candrák
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Scientific Papers Animal Science and Biotechnologies, 2023 The aim of this paper was to study the influence of calving interval on the number of somatic cells from milk in Romanian Black and White cows. The study was conducted on a total of 125 lactations from 92 cows.
Simona Baul +7 more
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Environmental effects on progesterone profile measures of dairy cow fertility [PDF]
, 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
Analysis of non-genetic factors affecting calving difficulty in the Czech Holstein population
Czech Journal of Animal Science, 2008 The objective of this study was to analyze the effects of non-genetic factors affecting calving difficulty in the Holstein population of the Czech Republic for subsequent compilation of the model for genetic evaluation as well as for herd management ...
M. Fiedlerová +7 more
doaj +1 more source
RESEARCH ON THE INFLLUENCE OF THE CALVING INTERVAL ON MILK YIELD [PDF]
Scientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2014 The paper goal was to study the influence of the calving interval on milk yield for the Romanian Brown breed, using 950 lactations, of which: 573 lactations (60.31 %) belonged to the over 400 days calving interval and 377 lactations (39.69%) belonged to ...
Agatha POPESCU
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