A. Lemme
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View article: Transport and expression of transporters for 3-O-methyl-D-glucose and L-methionine along the intestine of broiler chickens receiving different methionine supplements
Transport and expression of transporters for 3-O-methyl-D-glucose and L-methionine along the intestine of broiler chickens receiving different methionine supplements Open
View article: Sorghum surpasses wheat as a feed grain for broiler chickens following dietary crude protein reductions
Sorghum surpasses wheat as a feed grain for broiler chickens following dietary crude protein reductions Open
View article: Rethinking Amino Acid Nutrition of Black Soldier Fly Larvae (Hermetia illucens) Based on Insights from an Amino Acid Reduction Trial
Rethinking Amino Acid Nutrition of Black Soldier Fly Larvae (Hermetia illucens) Based on Insights from an Amino Acid Reduction Trial Open
Rearing black soldier fly larvae (BSFL) in order to utilize biogenic materials is of increasing interest in the context of sustainable animal production. However, little is known about the amino acid (AA) requirements of this animal specie…
View article: Transport of Neutral Amino Acids in the Jejunum of Pigs with Special Consideration of L-Methionine
Transport of Neutral Amino Acids in the Jejunum of Pigs with Special Consideration of L-Methionine Open
Background: Methionine (Met) is a popular nutritional supplement in humans and animals. It is routinely supplemented to pigs as L-Met, DL-Met, or DL-2-hydroxy-4-(methylthio) butanoic acid (DL-HMTBA). Methods: We investigated the effect of …
View article: Meta-Analyses of Methionine Source Concept Validation Trials in Broilers
Meta-Analyses of Methionine Source Concept Validation Trials in Broilers Open
While the supplementation of methionine (Met) sources in broiler feeds has been established for several decades, there is debate on the nutritional value of the methionine hydroxy analogue of methionine (MHA) relative to DL-Met. Based on a…
View article: Multitissue transcriptomics demonstrates the systemic physiology of methionine deficiency in broiler chickens
Multitissue transcriptomics demonstrates the systemic physiology of methionine deficiency in broiler chickens Open
Methionine (Met) supplementation is common practice in broilers to support nutrition, yet there are gaps in the understanding of its role in systemic physiology. Furthermore, several different Met sources are available that may have differ…
View article: Impact of early feeding of highly available carbohydrate source on subsequent growth performance, carcass traits, blood biochemical parameters, and intestinal morphology of broilers
Impact of early feeding of highly available carbohydrate source on subsequent growth performance, carcass traits, blood biochemical parameters, and intestinal morphology of broilers Open
SUMMARY: The aim of this study was to investigate the effects of early dextrose (Dex) feeding on subsequent growth performance of broilers. A total of 700 male day-old broiler chicks were randomly allocated into 50 floor pens (in a balance…
View article: Data for meta-analysis need standardization—a response to “Assessing the nutritional equivalency of DL-methionine and L-methionine in broiler chickens: a meta-analytical study” by Asasi et al.
Data for meta-analysis need standardization—a response to “Assessing the nutritional equivalency of DL-methionine and L-methionine in broiler chickens: a meta-analytical study” by Asasi et al. Open
View article: Effects of feeding guanidinoacetic acid on oxidative status and creatine metabolism in broilers subjected to chronic cyclic heat stress in the finisher phase
Effects of feeding guanidinoacetic acid on oxidative status and creatine metabolism in broilers subjected to chronic cyclic heat stress in the finisher phase Open
View article: Noninferiority of the hydroxy analog of methionine compared to DL-methionine not confirmed in a broiler trial
Noninferiority of the hydroxy analog of methionine compared to DL-methionine not confirmed in a broiler trial Open
View article: Reply to: “Absorption of methionine sources in animals—is there more to know?” — Yes, there is more to know!
Reply to: “Absorption of methionine sources in animals—is there more to know?” — Yes, there is more to know! Open
View article: Scaling Up the Effects of Low Nitrogen in Commercial Broiler Farms
Scaling Up the Effects of Low Nitrogen in Commercial Broiler Farms Open
In a protein reduction feeding trial (Study 1) on a commercial broiler farm in northern Germany, it was attempted to be shown that research results from station tests on protein reduction can be transferred to agricultural practice. In a s…
View article: Dietary crude protein concentrations, feed grains, and whey protein interactively influence apparent digestibility coefficients of amino acids, protein, starch, and performance of broiler chickens
Dietary crude protein concentrations, feed grains, and whey protein interactively influence apparent digestibility coefficients of amino acids, protein, starch, and performance of broiler chickens Open
View article: Issues with a meta-analysis assessing the efficacy of different sources of methionine supplementation
Issues with a meta-analysis assessing the efficacy of different sources of methionine supplementation Open
View article: Capping dietary starch: Protein ratios enhances performance of broiler chickens offered reduced-crude protein, maize-based diets
Capping dietary starch: Protein ratios enhances performance of broiler chickens offered reduced-crude protein, maize-based diets Open
The objective of this study was to determine if capping dietary starch:protein ratios in reduced-crude protein diets enhances growth performance of broiler chickens offered maize-based diets. A total of 288 off-sex, male Ross 308 chickens …
View article: Response to letter to the editors by Behnam Saremi referring to the article ‘Feeding guanidinoacetic acid to broiler chickens can compensate for low dietary metabolizable energy formulation’ by Pirgozliev et al
Response to letter to the editors by Behnam Saremi referring to the article ‘Feeding guanidinoacetic acid to broiler chickens can compensate for low dietary metabolizable energy formulation’ by Pirgozliev et al Open
This article responds to:Letter to editors: misinterpretation of results led to a biased view about Guanidino acetic acid being beneficial in energy deficient diets
View article: Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health
Evaluation of Methionine Sources in Protein Reduced Diets for Turkeys in the Late Finishing Period Regarding Performance, Footpad Health and Liver Health Open
Footpad dermatitis and hepatic lipidosis are health problems in fattening turkeys where a positive influence of higher methionine content in feed is discussed. The effects of the methionine supplements DL-methionine (DLM) and liquid methio…
View article: Data interpretation raises risk for performance depression in broiler production
Data interpretation raises risk for performance depression in broiler production Open
View article: Utilization of Methionine Sources for Growth and Met+Cys Deposition in Broilers
Utilization of Methionine Sources for Growth and Met+Cys Deposition in Broilers Open
Knowledge about the nutritional value of methionine sources is highly important for their appropriate application in terms of animal and economic performance. Therefore, a broiler feeding trial was conducted to determine the relative bioav…
View article: Guanidinoacetic acid supplementation improves feed conversion in broilers subjected to heat stress associated with muscle creatine loading and arginine sparing
Guanidinoacetic acid supplementation improves feed conversion in broilers subjected to heat stress associated with muscle creatine loading and arginine sparing Open
View article: Synthetic and Crystalline Amino Acids: Alternatives to Soybean Meal in Chicken-Meat Production
Synthetic and Crystalline Amino Acids: Alternatives to Soybean Meal in Chicken-Meat Production Open
: This review explores the premise that non-bound (synthetic and crystalline) amino acids are alternatives to soybean meal, the dominant source of protein, in diets for broiler chickens. Non-bound essential and non-essential amino acids ca…
View article: Apparent digestibility of amino acids in feedstuffs used in diets for the Pacific white shrimp, Penaeus vannamei
Apparent digestibility of amino acids in feedstuffs used in diets for the Pacific white shrimp, Penaeus vannamei Open
Apparent digestibility coefficients (ADC) for dry matter, energy, crude protein (CP), and amino acids (AA) were evaluated for 4 feedstuffs used to feed juvenile white shrimp (Penaeus vannamei): fish meal (73.5% CP), potato protein concentr…
View article: Reduction of dietary protein in broiler diets not only reduces n-emissions but is also accompanied by several further benefits
Reduction of dietary protein in broiler diets not only reduces n-emissions but is also accompanied by several further benefits Open
SUMMARY: In the light of recently revised German legislation on on-farm nitrogen (N) management, the impact of decreasing dietary N-load at balanced dietary amino acid supply on growth performance and N-excretions was examined in 5000 mixe…
View article: Digestibility and metabolism of dietary guanidino acetic acid fed to broilers
Digestibility and metabolism of dietary guanidino acetic acid fed to broilers Open
In two feeding experiments the retention of supplemental guanidine acetic acid (GAA) in broilers was investigated. In both experiments, the same three treatments were used; the basal feed was supplemented with 0, 0.6, or 6.0 g GAA per kg o…