Search Results - "Danes, Marina"
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Nonlinear models of 15N partitioning kinetics in late-lactation dairy cows from individually labeled feed ingredients
Published in Journal of dairy science (01-11-2024)“…Few studies have examined the N kinetics of individual feeds with stable isotope tracing. We hypothesized that N partitioning to milk and excreta pools as well…”
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Effect of protein level and methionine supplementation on dairy cows during the transition period
Published in Journal of dairy science (01-05-2021)“…Cows experience a significant negative protein balance during the first 30 d of lactation. Given the functional effects of AA on health, especially in…”
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Effects of Amount and Profile of Amino Acids Supply on Lactation Performance, Mammary Gland Metabolism, and Nitrogen Efficiency in Holstein Dairy Cows
Published in Animals (Basel) (03-06-2023)“…To evaluate the effects of amount and profile of amino acid (AA) on milk protein yield (MPY), mammary metabolism, and efficiency of nitrogen use (ENU), ten…”
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Carbohydrates and protein digestive traits in beef cattle grazing fertilised or mixed tropical pasture
Published in Archives of animal nutrition (01-02-2024)“…This study was performed to investigate the nitrogen (N) and carbohydrate digestive traits of grazing heifers. The experiment was carried out at the Federal…”
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Essential amino acid ratios and mTOR affect lipogenic gene networks and miRNA expression in bovine mammary epithelial cells
Published in Journal of animal science and biotechnology (03-08-2016)“…Background: The objective of this study was to study how changing the ratio of Lys to Thr, Lys to His, and Lys to Val affects the expression of lipogenic genes…”
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Disentangling data dependency using cross-validation strategies to evaluate prediction quality of cattle grazing activities using machine learning algorithms and wearable sensor data
Published in Journal of animal science (01-09-2021)“…Abstract Wearable sensors have been explored as an alternative for real-time monitoring of cattle feeding behavior in grazing systems. To evaluate the…”
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Protein supplementation to early lactation dairy cows grazing tropical grass: Performance and ruminal metabolism
Published in Animal science journal (01-01-2021)“…This experiment was designed to evaluate the effects of different concentrate crude protein (CP) concentration on performance, metabolism and efficiency of N…”
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Twenty-five-centimeter pre-grazing canopy height in palisade grass and forage peanut
Published in Scientia agricola (01-01-2022)“…Short-term grazing behavior variables are sensitive to the canopy structure and have an impact on daily forage intake. This study evaluated the effect of pre-…”
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Nitrogen use efficiencies to grow, feed, and recycle manure from the major diet components fed to dairy cows in the USA
Published in Agriculture, ecosystems & environment (15-02-2017)“…Crops and livestock transform a general range of 20% to 50% of applied nitrogen (N) into product N (e.g., grain, forage, meat, milk). Most N not incorporated…”
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Evaluation of the NASEM milk protein yield prediction model with data from Brazilian commercial farms
Published in JDS communications (01-10-2024)Get full text
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Replacement of raw soybean with roasted soybean increased milk production in Holstein cows
Published in Ciência rural (2017)“…The aim of this study was to evaluate the effect of total replacement of raw whole soybean (RAW) for roastedwhole soybean (ROS) on the production performance…”
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PSXI-22 Prediction quality of cattle behavior traits evaluated through different cross-validation strategies using wearable sensor data and machine learning algorithms
Published in Journal of animal science (30-11-2020)“…Wearable sensors have been adopted as an alternative for real-time monitoring of cattle feeding behavior in grazing systems. However, even using machine…”
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Prediction quality of cattle behavior traits evaluated through different crossvalidation strategies using wearable sensor data and machine learning algorithms
Published in Journal of animal science (01-11-2020)“…Wearable sensors have been adopted as an alternative for real-time monitoring of cattle feeding behavior in grazing systems. However, even using machine…”
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Journal Article -
14
Non-linear models of 15 N partitioning kinetics in late lactation dairy cows from individually-labeled feed ingredients
Published in Journal of dairy science (06-06-2024)“…Few studies have examined the N kinetics of individual feeds with stable isotope tracing. We hypothesized that N partitioning to milk and excreta pools as well…”
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Journal Article -
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Relationship between mammary gland metabolism and nitrogen efficiency in the lactating dairy cow
Published 01-01-2015“…The objective of this research was to evaluate the responses in mammary metabolism and milk protein yield when the mammary gland is exposed to different…”
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Dissertation -
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Relationship between mammary gland metabolism and nitrogen efficiency in the lactating dairy cow
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Ruminal degradation kinetics of elephant grass silage with different levels of jack fruit and cassava scrapingCinética de degradação ruminal de silagem de capim-elefante com diferentes níveis de jaca e raspa de mandioca
Published in Semina. Ciências agrárias : revista cultural e científica da Universidade Estadual de Londrina (01-10-2013)“…The objective of this study was to evaluate in situ ruminal degradation kinetics in two experiments, which different levels of dehydrated jackfruit (0, 5, 10…”
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Journal Article