Michael Kreuzer
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View article: Effects of tannins and additional rumen-protected protein on nitrate responses in dairy cows: Lactational performance, enteric methane emissions, nitrogen utilization, and blood metabolites
Effects of tannins and additional rumen-protected protein on nitrate responses in dairy cows: Lactational performance, enteric methane emissions, nitrogen utilization, and blood metabolites Open
The objective of this study was to evaluate the effects of nitrate and Acacia mearnsii bark extract (AMT) supplementation; the latter with and without additional rumen-protected rapeseed meal (RPR), on performance, enteric CH4 e…
View article: Bioconversion of lignocellulose in ensiled Caragana korshinskii Kom. into bioethanol by ferulic acid esterase-producing Limosilactobacillus reuteri A4-2 and Acremonium cellulase
Bioconversion of lignocellulose in ensiled Caragana korshinskii Kom. into bioethanol by ferulic acid esterase-producing Limosilactobacillus reuteri A4-2 and Acremonium cellulase Open
View article: Differences in Milk Production Efficiency and Physiology Between Lactating Holstein Cows and Yaks Born and Kept at About 4000 m of Altitude When Fed the Same Diet
Differences in Milk Production Efficiency and Physiology Between Lactating Holstein Cows and Yaks Born and Kept at About 4000 m of Altitude When Fed the Same Diet Open
Yaks ( Bos grunniens ) have developed numerous mechanisms to cope with hypoxic environments. Still, as their milk yield is low, the use of production systems building on dairy breeds at high altitude might increase efficiency, but this has…
View article: Stable isotopic profile of commercial tank milk in relation to grassland based feed proportions in dairy herd diets
Stable isotopic profile of commercial tank milk in relation to grassland based feed proportions in dairy herd diets Open
Ours is the first proof-of-concept study to attempt to define stable isotopic ratio (δ) thresholds to ascertain the dietary proportion of grassland-based feeds (GBF) in commercial tank milk. Additionally, the isotopic profile of commercial…
View article: The relationship between milk urea nitrogen content and urinary nitrogen excretion as determined in 4 Swiss dairy breeds
The relationship between milk urea nitrogen content and urinary nitrogen excretion as determined in 4 Swiss dairy breeds Open
Ammonia (NH3) originating from agriculture substantially contributes to the environmental nitrogen load and threatens sensitive ecosystems by inducing eutrophication and acidification of the soil. To strategically minimize NH
View article: Feed additives for methane mitigation: Introduction—Special issue on technical guidelines to develop feed additives to reduce enteric methane
Feed additives for methane mitigation: Introduction—Special issue on technical guidelines to develop feed additives to reduce enteric methane Open
View article: Utility of dried and fermented meal from the duckweed species<i>Spirodela polyrhiza</i> as fishmeal-protein replacer in dietsfor common carp fry
Utility of dried and fermented meal from the duckweed species<i>Spirodela polyrhiza</i> as fishmeal-protein replacer in dietsfor common carp fry Open
View article: Suitability of different machine learning algorithms for the classification of the proportion of grassland-based forages at the herd level using mid-infrared spectral information from routine milk control
Suitability of different machine learning algorithms for the classification of the proportion of grassland-based forages at the herd level using mid-infrared spectral information from routine milk control Open
As the call for an international standard for milk from grassland-based production systems continues to grow, so too do the monitoring and evaluation policies surrounding this topic. Individual stipulations by countries and milk producers …
View article: Predicting CO2 production of lactating dairy cows from animal, dietary, and production traits using an international dataset
Predicting CO2 production of lactating dairy cows from animal, dietary, and production traits using an international dataset Open
Automated measurements of the ratio of concentrations of methane and carbon dioxide, [CH4]:[CO2], in breath from individual animals (the so-called "sniffer technique") and estimated CO2 production can be us…
View article: Evaluation of ruminal methane and ammonia formation and microbiota composition as affected by supplements based on mixtures of tannins and essential oils using Rusitec
Evaluation of ruminal methane and ammonia formation and microbiota composition as affected by supplements based on mixtures of tannins and essential oils using Rusitec Open
View article: Methane prediction equations including genera of rumen bacteria as predictor variables improve prediction accuracy
Methane prediction equations including genera of rumen bacteria as predictor variables improve prediction accuracy Open
View article: Influence of dietary fiber content and horn status on thermoregulatory responses of Brown Swiss dairy cows under thermoneutral and short-term heat stress conditions
Influence of dietary fiber content and horn status on thermoregulatory responses of Brown Swiss dairy cows under thermoneutral and short-term heat stress conditions Open
In the present experiment, 10 horned and 10 disbudded mid-lactating Brown Swiss cows were included in a crossover feeding trial with a hay or hay and concentrate diet. The effects of dietary neutral detergent fiber (NDF) content and horn s…
View article: Effects of graded levels of dietary pomegranate peel on methane and nitrogen losses, and metabolic and health indicators in dairy cows
Effects of graded levels of dietary pomegranate peel on methane and nitrogen losses, and metabolic and health indicators in dairy cows Open
This study aimed to quantify the effects of dietary inclusion of tannin-rich pomegranate peel (PP) on intake, methane and nitrogen (N) losses, and metabolic and health indicators in dairy cows. Four multiparous, late-lactating Brown Swiss …
View article: Effects of dietary Sanguisorba minor, Plantago lanceolata, and Lotus corniculatus on urinary N excretion of dairy cows
Effects of dietary Sanguisorba minor, Plantago lanceolata, and Lotus corniculatus on urinary N excretion of dairy cows Open
Context Mitigating urinary nitrogen (N) losses is an important target of sustainable cattle nutrition concepts. One option to achieve this may be dietary inclusion of tanniferous herbs. Aims Aim of the study was to investigate herbs with d…
View article: Effects of Acacia mearnsii added to silages differing in nutrient composition and condensed tannins on ruminal and manure-derived methane emissions of dairy cows
Effects of Acacia mearnsii added to silages differing in nutrient composition and condensed tannins on ruminal and manure-derived methane emissions of dairy cows Open
This study investigated the effects of acacia (extract of Acacia mearnsii) and sainfoin (Onobrychis viciifolia) as condensed tannin (CT)-rich sources on ruminal and manure methane (CH4) emissions in comparison with non-CT silage…
View article: Low transfer of cadmium, lead and aflatoxin B1 to eggs and meat of laying hens receiving diets with black soldier fly larvae reared on contaminated substrates
Low transfer of cadmium, lead and aflatoxin B1 to eggs and meat of laying hens receiving diets with black soldier fly larvae reared on contaminated substrates Open
Replacing soybeans with insects in egg and poultry meat production could improve environmental sustainability. Black soldier fly larvae (BSFL) have a favorable nutrient composition and can be reared on low-grade waste, but this is associat…
View article: The effects of Alnus viridis encroachment in mountain pastures on the growth performance, carcass and meat quality of Dexter cattle and Engadine sheep
The effects of Alnus viridis encroachment in mountain pastures on the growth performance, carcass and meat quality of Dexter cattle and Engadine sheep Open
Context Climate and economic changes promote the encroachment of woody plants on marginal mountain pastures. In the Alps, the main woody invader is the nitrogen-fixing shrub Alnus viridis (green alder). Robust breeds of different ruminant …
View article: Evaluation and quantification of associations between commonly suggested milk biomarkers and the proportion of grassland-based feeds in the diets of dairy cows
Evaluation and quantification of associations between commonly suggested milk biomarkers and the proportion of grassland-based feeds in the diets of dairy cows Open
This study is a first step approach towards the prediction of the proportion of grassland-based feeds (%GB) in dairy cow diets with the aid of three different groups of milk biomarkers. We aimed to evaluate and quantify the associations be…
View article: Nitrogen and energy losses and methane emissions from beef cattle fed diets with gradual replacement of maize silage and concentrate with grass silage and corn-cob mix
Nitrogen and energy losses and methane emissions from beef cattle fed diets with gradual replacement of maize silage and concentrate with grass silage and corn-cob mix Open
View article: Effects of tanniferous sainfoin and Acacia mearnsii extract on urinary N excretion and ammonia volatilization from the slurry of dairy cows
Effects of tanniferous sainfoin and Acacia mearnsii extract on urinary N excretion and ammonia volatilization from the slurry of dairy cows Open
This study examined whether the effects of the tanniferous extract of Acacia mearnsii on N partitioning in dairy cows and ammonia (NH3) volatilization from their excreta are additive to that of the tanniferous legume sainfoin (Onobrychis v…
View article: Prediction of enteric methane emissions by sheep using an intercontinental database
Prediction of enteric methane emissions by sheep using an intercontinental database Open
View article: Herbage utilisation method affects rumen fluid and milk fatty acid profile in Holstein and Montbéliarde cows
Herbage utilisation method affects rumen fluid and milk fatty acid profile in Holstein and Montbéliarde cows Open
View article: <i>In vitro</i> screening of the ruminal methane and ammonia mitigating potential of mixtures of either chestnut or quebracho tannins with blends of essential oils as feed additives
<i>In vitro</i> screening of the ruminal methane and ammonia mitigating potential of mixtures of either chestnut or quebracho tannins with blends of essential oils as feed additives Open
Tannins and essential oils (EOs) have been previously described for their properties to mitigate ruminal methane and ammonia. Their combination might be even more efficient, as they have different modes of action on rumen pathways. This st…
View article: Maria - "Mittlerin aller Gnaden" bei Johannes Driedo
Maria - "Mittlerin aller Gnaden" bei Johannes Driedo Open
View article: Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis
Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis Open
Manure nitrogen (N) from cattle contributes to nitrous oxide and ammonia emissions and nitrate leaching. Measurement of manure N outputs on dairy farms is laborious, expensive, and impractical at large scales; therefore, models are needed …
View article: Effects of early herbage cutting and vine leaves on methane emission, urine nitrogen losses, and the milk fatty acid profile of dairy cows
Effects of early herbage cutting and vine leaves on methane emission, urine nitrogen losses, and the milk fatty acid profile of dairy cows Open
Methane mitigation in dairy cows is an essential part of combating global warming. Governments and consumers have become increasingly interested in herbage-based feeding, and premium prices are often paid for these types of dairy products.…
View article: Methane emission, nitrogen and energy utilisation of beef cattle when replacing or omitting soybean meal in a forage-based diet
Methane emission, nitrogen and energy utilisation of beef cattle when replacing or omitting soybean meal in a forage-based diet Open
View article: Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050
Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050 Open
Significance Agricultural methane emissions must be decreased by 11 to 30% of the 2010 level by 2030 and by 24 to 47% by 2050 to meet the 1.5 °C target. We identified three strategies to decrease product-based methane emissions while incre…
View article: A High-Energy Diet and Spirulina Supplementation during Pre-Gestation, Gestation, and Lactation do Not Affect the Reproductive and Lactational Performance of Primiparous Sows
A High-Energy Diet and Spirulina Supplementation during Pre-Gestation, Gestation, and Lactation do Not Affect the Reproductive and Lactational Performance of Primiparous Sows Open
Feeding high-energy (HED) or high-fat diets during gestation and lactation to pigs may help cover the energy requirements of high-prolific sows but may also adversely affect their reproductive performance. The microalga Arthrospira planten…
View article: Genotype-by-Diet Interactions for Larval Performance and Body Composition Traits in the Black Soldier Fly, Hermetia illucens
Genotype-by-Diet Interactions for Larval Performance and Body Composition Traits in the Black Soldier Fly, Hermetia illucens Open
Further advancing black soldier fly (BSF) farming for waste valorisation and more sustainable global protein supplies critically depends on targeted exploitation of genotype-phenotype associations in this insect, comparable to conventional…