S. Ahvenjärvi

发表

Towards genetic improvement of feed efficiency in dairy cattle

M. Lidauer, T. Sipiläinen, T. Pitkänen, 2014 .

Dietary fish oil supplements modify ruminal biohydrogenation, alter the flow of fatty acids at the omasum, and induce changes in the ruminal Butyrivibrio population in lactating cows.

P. Huhtanen, R. Wallace, R. Wallace, 2012, The Journal of nutrition.

Dietary fish oil supplements depress milk fat yield and alter milk fatty acid composition in lactating cows fed grass silage-based diets.

T. Hurme, P. Huhtanen, K. Shingfield, 2015, Journal of dairy science.

In vitro gas production profiles to estimate extent and effective first-order rate of neutral detergent fiber digestion in the rumen.

P. Huhtanen, M. Rinne, S. Ahvenjärvi, 2008, Journal of animal science.

Effects of faba bean, blue lupin and rapeseed meal supplementation on nitrogen digestion and utilization of dairy cows fed grass silage-based diets.

S. Jaakkola, K. Kuoppala, S. Ahvenjärvi, 2021, Animal : an international journal of animal bioscience.

Ruminal metabolism of grass silage soluble nitrogen fractions.

P. Huhtanen, M. Vaga, S. Ahvenjärvi, 2018, Journal of dairy science.

In vitro method for determining the ruminal degradation rate of rapeseed meal protein using 15N isotope labelled ammonia nitrogen

P. Huhtanen, T. Stefański, S. Ahvenjärvi, 2009 .

Effects of several protein supplements on flow of soluble non-ammonia nitrogen from the forestomach and milk production in dairy cows

P. Huhtanen, S. Ahvenjärvi, A. Vanhatalo, 2002 .

Quantitation of the flow of soluble non-ammonia nitrogen entering the omasal canal of dairy cows fed grass silage based diets

P. Huhtanen, S. Ahvenjärvi, A. Vanhatalo, 2002 .

Effects of Supplementation of a Grass Silage and Barley Diet with Urea, Rapeseed Meal and Heat-moisture-treated Rapeseed Cake on Omasal Digesta Flow and Milk Production in Lactating Dairy Cows

P. Huhtanen, T. Varvikko, S. Ahvenjärvi, 1999 .

Prediction of nitrogen excretion from data on dairy cows fed a wide range of diets compiled in an intercontinental database: A meta-analysis.

M. Wattiaux, J. Dijkstra, E. Kebreab, 2022, Journal of dairy science.

Evaluating the effects of high-oil rapeseed cake or natural additives on methane emissions and performance of dairy cows.

A. Bayat, H. Kettunen, S. Ahvenjärvi, 2021, Journal of dairy science.

Long-term effects of early-life rumen microbiota modulation on dairy cow production performance and methane emissions

M. Tapio, J. Vilkki, I. Tapio, 2022, Frontiers in Microbiology.

Estimation of rumen outflow in dairy cows fed grass silage-based diets by use of reticular sampling as an alternative to sampling from the omasal canal.

G. Broderick, S. Krizsan, S. Ahvenjärvi, 2010, Journal of dairy science.

Digestion of wood-based hemicellulose extracts as screened by in vitro gas production method and verified in vivo using sheep

H. Ilvesniemi, V. Kitunen, M. Rinne, 2016 .

Metabolism of soluble rapeseed meal (Brassica rapa L.) protein during incubations with buffered bovine rumen contents in vitro.

P. Huhtanen, K. Shingfield, T. Stefański, 2013, Journal of dairy science.

Ruminal large and small particle kinetics in dairy cows fed primary growth and regrowth grass silages harvested at two stages of growth

P. Huhtanen, M. Rinne, K. Kuoppala, 2011 .

The effect of harvesting strategy of grass silage on digestion and nutrient supply in dairy cows.

P. Huhtanen, M. Rinne, J. Nousiainen, 2010, Journal of dairy science.

Quantifying ruminal digestion of organic matter and neutral detergent fiber using the omasal sampling technique in cattle--a meta-analysis.

G. Broderick, P. Huhtanen, K. Shingfield, 2010, Journal of dairy science.

Ruminal large and small particle kinetics in dairy cows fed red clover and grass silages harvested at two stages of growth

P. Huhtanen, M. Rinne, K. Kuoppala, 2010 .

Effects of feeding grass or red clover silage cut at two maturity stages in dairy cows. 2. Dry matter intake and cell wall digestion kinetics.

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2009, Journal of dairy science.

Transfer of absorbed cis-9, trans-11 conjugated linoleic acid into milk is biologically more efficient than endogenous synthesis from absorbed vaccenic acid in lactating cows.

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2007, The Journal of nutrition.

Effect of dietary fish oil on biohydrogenation of fatty acids and milk fatty acid content in cows

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2003 .

Metabolic and production responses in dairy cows fed peas or rapeseed meal on grass silage based diet

S. Jaakkola, S. Ahvenjärvi, A. Vanhatalo, 2004 .

Ruminal metabolism of ammonia N and rapeseed meal soluble N fraction.

P. Huhtanen, T. Stefański, S. Ahvenjärvi, 2020, Journal of dairy science.

Effects of intraruminal urea-nitrogen infusions on feed intake, nitrogen utilization, and milk yield in dairy cows.

P. Huhtanen, S. Ahvenjärvi, 2018, Journal of dairy science.

Determination of ruminal feed digestibility and microbial synthesis based on digesta sampling from the omasal canal

S. Ahvenjärvi, 2002 .

Review: Problems in determining metabolisable protein value of dairy cow diets and the impact on protein feeding.

P. Huhtanen, S. Ahvenjärvi, 2022, Animal : an international journal of animal bioscience.

Effect of feeding protein supplements of differing degradability on omasal flow of microbial and undegraded protein.

G. Broderick, P. Huhtanen, S. Ahvenjärvi, 2003, Journal of dairy science.

Determination of reticulo-rumen and whole-stomach digestion in lactating cows by omasal canal or duodenal sampling

P. Huhtanen, S Ahvenjärvi, A Vanhatalo, 2000, British Journal of Nutrition.

A meta-analysis of passage rate estimated by rumen evacuation with cattle and evaluation of passage rate prediction models.

S. Krizsan, P. Huhtanen, S. Ahvenjärvi, 2010, Journal of dairy science.

Quantifying ruminal nitrogen metabolism using the omasal sampling technique in cattle--a meta-analysis.

G. Broderick, P. Huhtanen, K. Shingfield, 2010, Journal of dairy science.

Fresh Rumen Liquid Inoculant Enhances the Rumen Microbial Community Establishment in Pre-weaned Dairy Calves

J. Vilkki, M. Popova, I. Tapio, 2022, Frontiers in Microbiology.

Polyethylene glycol as an indigestible marker to estimate fecal output in dairy cows.

M. Lidauer, J. Nousiainen, L. Nyholm, 2018, Journal of dairy science.

Digestion and passage of fibre in ruminants

P. Huhtanen, M. Weisbjerg, P. Nørgaard, 2006 .

Supplementing barley or rapeseed meal to dairy cows fed grass-red clover silage: I. Rumen degradability and microbial flow.

P. Huhtanen, S. Ahvenjärvi, A. Vanhatalo, 2002, Journal of animal science.

Supplementing barley or rapeseed meal to dairy cows fed grass-red clover silage: II. Amino acid profile of microbial fractions.

P. Huhtanen, S. Ahvenjärvi, A. Vanhatalo, 2002, Journal of animal science.

Effects of replacing grass silage with barley silage in dairy cow diets.

P. Huhtanen, S. Jaakkola, S. Ahvenjärvi, 2006, Journal of dairy science.

Effect of incremental levels of sunflower-seed oil in the diet on ruminal lipid metabolism in lactating cows

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2008, British Journal of Nutrition.

Determination of digesta flow entering the omasal canal of dairy cows using different marker systems

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2003, British Journal of Nutrition.

The effect of concentrate supplementation on nutrient flow to the omasum in dairy cows receiving freshly cut grass.

J. Nousiainen, P. Huhtanen, J. Nousiainen, 2005, Journal of dairy science.

Relationship between passage rate and extrinsic diet characteristics derived from rumen evacuation studies performed with dairy cows

S. Krizsan, P. Huhtanen, S. Ahvenjärvi, 2011 .

Effects of feeding grass or red clover silage cut at two maturity stages in dairy cows. 1. Nitrogen metabolism and supply of amino acids.

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2009, Journal of dairy science.

Digestion kinetics of NDF in dairy cows fed silages from primary growth and regrowth of grass

J. Nousiainen, P. Huhtanen, M. Rinne, 2004 .

Effect of heterogeneous digesta chemical composition on the accuracy of measurements of fiber flow in dairy cows.

P. Huhtanen, S. Ahvenjärvi, B. Skiba, 2001, Journal of animal science.

Characterization of the disappearance and formation of biohydrogenation intermediates during incubations of linoleic acid with rumen fluid in vitro.

K. Shingfield, S. Ahvenjärvi, A. Vanhatalo, 2012, Journal of dairy science.

The effect of dietary forage to concentrate ratio and forage type on milk fatty acid composition and milk fat globule size of lactating cows.

J. Vilkki, K. Shingfield, A. Bayat, 2019, Journal of dairy science.

Effect of dietary fish oil supplements alone or in combination with sunflower and linseed oil on ruminal lipid metabolism and bacterial populations in lactating cows.

P. Huhtanen, R. Wallace, K. Shingfield, 2018, Journal of dairy science.

Ruminal infusions of cobalt-EDTA reduce mammary delta9-desaturase index and alter milk fatty acid composition in lactating cows.

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2008, The Journal of nutrition.

Effect of forage conservation method on plasma lipids, mammary lipogenesis, and milk fatty acid composition in lactating cows fed diets containing a 60:40 forage-to-concentrate ratio.

D. I. Givens, P. Huhtanen, K. Shingfield, 2013, Journal of dairy science.

Prediction of in vivo neutral detergent fiber digestibility and digestion rate of potentially digestible neutral detergent fiber: comparison of models.

P. Huhtanen, M. Rinne, S. Ahvenjärvi, 2008, Journal of animal science.

Prediction of indigestible cell wall fraction of grass silage by near infrared reflectance spectroscopy

J. Nousiainen, P. Huhtanen, M. Rinne, 2004 .

Energy utilization and milk fat responses to rapeseed oil when fed to lactating dairy cows receiving different dietary forage to concentrate ratio

A. Bayat, S. Ahvenjärvi, H. Aro, 2022, Animal Feed Science and Technology.

Effect of forage conservation method on ruminal lipid metabolism and microbial ecology in lactating cows fed diets containing a 60:40 forage-to-concentrate ratio.

P. Huhtanen, R. Wallace, K. Shingfield, 2013, Journal of dairy science.

Effects of sodium sulphate and potassium chloride fertilizers on the nutritive value of timothy grown on different soils

P. Huhtanen, S. Ahvenjärvi, T. Heikkilä, 2000 .

Dairy cow responses to graded levels of rapeseed and soya bean expeller supplementation on a red clover/grass silage-based diet.

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2015, Animal : an international journal of animal bioscience.

Predicting omasal flow of nonammonia N and milk protein yield from in vitro-determined utilizable crude protein at the duodenum.

P. Huhtanen, M. Vaga, M. Ramin, 2018, Journal of Dairy Science.

Microbial protein and rumen undegraded protein are not additive.

G. Broderick, P. Huhtanen, S. Ahvenjärvi, 2018 .

Rapeseed expeller is a better protein supplement than soybean expeller in dairy cow diets based on grass-clover silage

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2012 .

Predicting feed intake and feed efficiency in lactating dairy cows using digesta marker techniques.

E. Prestløkken, P. Huhtanen, P. Lund, 2019, Animal : an international journal of animal bioscience.

Effect of forage conservation method on plasma lipids, mammary lipogenesis, and milk fatty acid composition in lactating cows fed diets containing a 60:40 forage-to-concentrate ratio.

P. Huhtanen, K. Shingfield, P. Kairenius, 2013, Journal of dairy science.

Effects of feeding grass or red clover silage cut at two maturity stages in dairy cows. 1. Nitrogen metabolism and supply of amino acids.

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2009, Journal of dairy science.

Dietary fish oil supplements depress milk fat yield and alter milk fatty acid composition in lactating cows fed grass silage-based diets.

P. Huhtanen, K. Shingfield, P. Kairenius, 2015, Journal of dairy science.

Effect of forage conservation method on ruminal lipid metabolism and microbial ecology in lactating cows fed diets containing a 60:40 forage-to-concentrate ratio.

P. Huhtanen, R. Wallace, K. Shingfield, 2013, Journal of dairy science.

The Trade-Off between Enteric and Manure Methane Emissions and Their Bacterial Ecology in Lactating Cows Fed Diets Varying in Forage-to-Concentrate Ratio and Rapeseed Oil

S. Rasi, I. Tapio, S. Ahvenjärvi, 2024, Methane.

Dairy cow responses to graded levels of rapeseed and soya bean expeller supplementation on a red clover/grass silage-based diet.

M. Rinne, K. Kuoppala, S. Ahvenjärvi, 2015, Animal : an international journal of animal bioscience.

In vivo digestibility of different types of forages using sheep as a model of ruminants

M. Rinne, S. Ahvenjärvi, J. Stefanska, 2008 .

Supplementing barley or rapeseed meal to dairy cows fed grass-red clover silage: I. Rumen degradability and microbial flow.

P. Huhtanen, S. Ahvenjärvi, A. Vanhatalo, 2002, Journal of animal science.

Metabolism of soluble rapeseed meal (Brassica rapa L.) protein during incubations with buffered bovine rumen contents in vitro.

P. Huhtanen, K. Shingfield, S. Ahvenjärvi, 2013, Journal of dairy science.

Nordic ringtest on INDF content and NDF degradation characteristics in three feeds

P. Huhtanen, M. Weisbjerg, P. Lund, 2004 .