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  • Time of issue:2022-04-06 09:25
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  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2022-04-06 09:25
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From Xixi Chen, Ph.D.
(1) In gilts, the use of a two-phase feeding strategy during gestation, whereby dietary Lys is increased from day 90 (26.0 g/d SID Lys via additional soybean meal), could benefit potential sow milk yield in the subsequent lactation.
Agriculture and Agri-Food Canada
(2) In weaning piglets, supplementing 1,000 mg/kg α- glycerol monolaurate for 28 days had no impact on growth performance, but reduced diarrhea rate and improved nutrient digestibility along with immune and microbial benefits.
China Agricultural University
(3) In grow-finish pigs from super-multiparous sows, supplementing Gama-aminobutyric acid (GABA) at 20 mg/kg for 60 days influenced
liver morphology, increased activities of antioxidant enzymes and decreased the expression abundance of pro- inflammatory cytokines.
China Agricultural University
(4) In growing pigs, fermented corn germ meal (FCGM) can replace soybean meal at 11.8% to obtain the optimal ADG; as the ratio of FCGM replacing SBM increased in the diet, the immunity, intestinal microbiota, and total VFA composition of growing pigs were improved.
China Agricultural University
(5) In piglets under LPS challenge, supplementing 0.1% yeast-derived MOS had beneficial effects relative to immune biomarkers (greater immunoglobulin G levels), while feeding Lactobacillus mucosae improved feed efficiency and ileal morphological structure
University of Nebraska
(1) In ovo feeding of conjugated linoleic acid (CLA) alleviated lipid accumulation in newly hatched chicks by suppressing fatty acid synthesis and stimulating lipolysis in the liver, and inhibiting adipocyte differentiation in subcutaneous adipose tissue.
Shandong Agricultural University
(2) In broilers under necrotic enteritis challenge, a flavonoid-rich corn based diet had lower incidence of intestinal lesions and better growth performance.
Pennsylvania State University
(3) In Pekin ducks from 10 to 42 days of age, the effects of graded levels of dietary corn germ meal (0, 3, 6, 9, 12%) were evaluated; the optimal level should be below 9% based on feed to gain ratio and the content of crude protein in breast meat.
Sichuan Agricultural University
(4) In broilers under heat stress, a symbiotic supplement at 50 ppm decreased heat-stress negative effects on broilers by improving BW, foot, and skeletal health.
(5) A study comparing 3 different methods (averaging method, a ratio method, and a partitioning method) of estimating the Individual feed intake of broiler chickens in group-housing systems showed that the partitioning method would be more accurate.
Purdue University
(6) In broilers fed lower crude protein diet (18.7% CP), Val and Arg are shown to be co-limiting in wheat-soybean meal diets, but that Ile and Gly-equi may potentially limit breast and thigh development.
University of Sydney
(7) A meta-analysis evaluating the growth response of broilers supplemented with DL-Met vs. DL-hydroxy methionine showed that the two sources were not different when fed at or below Met requirements for any of the growth phases.
University of California, Davis
Review #1. Application of Microbial Analyses to Feeds and Potential Implications for Poultry Nutrition
This review discusses the potential interaction between poultry feed and GIT microbiome, microbial ecology of feed, application of
microbiome analyses to feed, and approaches for communicating these complex data sets to the poultry industry.
University of Wisconsin
Review #2 Microbiome Applications for Laying Hen Performance and Egg Production
In this review, the current status of the laying hen GIT microbial consortia and factors that impact the development and function of
these respective microbial populations will be discussed, as well as future research directions.
University of Wisconsin
(1) In dairy calves, supplementing compound probiotics had no effects on BW, average daily gain, dry matter intake, or feed efficiency; although supplementation at 1.2g/d decreased the withers height, this level of probiotics is recommended to improve rumen development and health status of newborn Holstein calves.
China Agricultural University , China
(2) In dairy cows, supplementing Saccharomyces cerevisiae fermentation products appeared to stabilize the rumen environment and reduce proinflammatory status, hence attenuating adverse digestive and inflammatory responses associated with subacute ruminal acidosis episodes.
University of Manitoba, Canada
(3) In dairy calves, feeding high-quality hay can fully replace starter concentrates without adverse effects on performance during the rearing period; meanwhile, it increased forage fiber intake and utilization, enhancing ruminal ketogenesis and cholesterogenesis around weaning.
Agricultural Research and Education Centre Raumberg-Gumpenstein, Austria
(4) Decreasing dietary starch concentration by 26% decreased dry matter intake, milk and energy-corrected milk yields; these negative effects were not attenuated by exogenous enzyme supplementation.
The Pennsylvania State University
(5) In prepartum dairy cows, supplementing metabolizable lysine improved the average daily gain of calves during the preweaning phase (wk 6-8), and tended to have fewer medicated days.
University of Illinois
(6) Supplement calcium ammonium nitrate at 30g/kg DM during lactation lowered DM intake, ECM, and 3.5% FCM in dairy cows, therefore 30 g/kg DM should not be recommended as an optimal dose.
University of Florida
(7) Treating tropical grass with fibrolytic enzymes extract from the fungus Trichoderma reesei led to higher proportion of weight gain in lambs, improved ADF digestibility, and reduced CH4 production.
Universidade de São Paulo, Brazil
(8) In dairy goats, partially replacing a 40:60 alfalfa:hay concentrate with multinutrient blocks containinpreserved mango wastes (0.65:0.35 pulp:peels mixture, PP) reduced feed intake, but milk production and composition remained unchanged; strategies to increase the intake of multinutrient blocks containing mango wastes are needed
Spain Estación Experimental del Zaidín (CSIC)
(9) Inclusion of pomegranate peel (87 g/kg DM) in diets containing fish oil (15 g/kg DM) or palmitic acid- enriched fat (15 g/kg DM) contributed to improved feed intake and antioxidant capacity; there was no interaction on oxidative stress and inflammatory markers in dairy cows.
Isfahan University of Technolog
(10) Spearman’s rank correlation analysis revealed that TMS content was correlated positively with the abundances of Ruminococcaceae UCG-014, Ruminococcaceae NK4A214 group, Prevotellaceae UCG-001, Butyrivibrio 2, Prevotellaceae UCG-003, Candidatus Saccharimonas, Ruminococcus 2, Lachnospiraceae XPB1014 group, probable genus 10, Eubacterium ventriosum group, but negatively correlated with Pyramidobacte. In addition, Ruminococcaceae UCG-014, Ruminococcus 2, Ruminococcaceae UCG001, probable genus 10 and Eubacterium ventriosum group might boost the total VFA production in the rumen.
Chinese Academy of Agricultural Sciences, China
Review #1 Decreasing ruminal methane production through enhancing the sulfate reduction pathway 
Sulfate-reducing bacteria are able to compete with methanogens for H2 in the rumen, and consequently  inhibit the methanogenesis.  Enhancing the ruminal sulfate-reducing pathway is an important approach to mitigate CH4 emissions in ruminants. The review summarized the effects of sulfate and elemental S on ruminal methanogenesis, and clarified the related mechanisms through the impacts of sulfate and elemental S on major ruminal sulfate- reducing bacteria.
China Agricultural University 
Review #2 Constraints on the utilization of cereal straw in lactating dairy cows
This review aims to provide an overview of the limitations of cereal straws, which is crucial for developing new strategies to enhance the efficient use of cereal straws by lactating dairy cows. Evolutionary molecular biology makes it possible to comprehensively understand the limitations of using cereal straw as a roughage source in dairy cows by different techniques, e.g., multi-omics.
Zhejiang University, China
This article has been authorized by Xixi Chen, Ph.D.


Time of issue:2020-05-28 00:00:00

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