Effects of replacing Leymus chinensis with whole-crop wheat hay on Holstein bull apparent digestibility, plasma parameters, rumen fermentation, and microbiota

Niu, Wen-jing; He, Yang; Xia, Chuanqi; Rahman, Muhammad Aziz; Qiu, Qinghua; Shao, Tao; Liang, Yixun; Ji, Linbao; Wang, Haibo; Cao, Binghai

doi:10.1038/s41598-017-02258-2

Cited by 28 publications

(35 citation statements)

References 73 publications

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“…In this study, albumin, cholesterol, glucose, total protein and urea N differed among fattening phases because of generally physiological reasons, which are consistent with the reports of Mohri et al [24]. The urea N is the main end-product of protein hydrolysis and amino acid metabolism [25], and its concentration has shown to be positively associated with intake of CP [12]. Therefore, it was reasonable that plasma urea N increased as dietary nutrient density increased as a result of increased CP intake.…”

Section: Digestive and Physiological Characteristicssupporting

confidence: 91%

“…It has also been suggested that odd branched-chain fatty acids could be synthesized by elongating propionate [41]. Hence, it is reasonable to observe positive correlation between Succiniclasticum abundance and concentrations of propionate, isovalerate, valerate, and total BCVFA due to vital roles of this genus in fermenting succinate to propionate and degradation of protein [12,40].…”

Section: Correlations Between Ambient Temperature Physiological and mentioning

confidence: 98%

“…Neutral detergent fiber (NDF) and acid detergent fiber (ADF) were measured according to Van Soest et al [19], with the former assayed with alpha amylase. Acid-insoluble ash was selected as a natural marker to estimate the total feces, and the apparent digestibility of nutrient was calculated using the method described by Niu et al [12].…”

Section: Chemical Analysis and Apparent Digestibility Calculationmentioning

confidence: 99%

“…Yadav et al [11] found that low ambient temperature reduced the mean retention time of ruminal contents, thus low digestibility of digesta may appear. Niu et al [12] observed strong correlations between certain genera and apparent digestibility of fiber. However, the potential associations among ambient temperature, rumen bacteria, and nutrient digestibility are still limited.…”

Section: Introductionmentioning

confidence: 99%

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Digestive Ability, Physiological Characteristics, and Rumen Bacterial Community of Holstein Finishing Steers in Response to Three Nutrient Density Diets as Fattening Phases Advanced

et al. 2020

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The aim of this study is to track the dynamic alterations in nutrient intake and digestion, rumen fermentation and plasma metabolic characteristics, and rumen bacterial community of Holstein finishing steers in response to three nutrient density diets as fattening phases advanced. A total of eighteen Holstein steers were randomly allocated into three nutrient density groups and steers in each group were fed under a three-phase fattening strategy, with nutrient density increased in each group when fattening phase advanced. Results showed that both fattening phase and dietary nutrient density significantly influenced the nutrient digestion, most of the rumen fermentation parameters, and part of bacteria at phylum and genus levels. Individually, dietary nutrient density affected the concentrations of plasma alanine aminotransferase and urea N, bacterial richness and evenness. All determined nutrient intake and plasma biochemical parameters, except for alanine aminotransferase and triglyceride, differed among fattening phases. Spearman correlation analysis revealed strong correlations between fiber intake and bacterial richness and evenness, rumen fermentation characteristics and certain bacteria. Moreover, Patescibacteria abundance was positively correlated with ambient temperature and plasma total protein. These results indicate that rumen fermentation and nutrient digestion were influenced by both dietary nutrient density and fattening phase, and these influences were regulated by certain rumen bacterial community and ruminal bacteria may be affected simultaneously by ambient temperature. This study may provide insights into diet optimization and potentially adaptive mechanism of rumen bacterial community in response to fattening phases and gradually climatic change.

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Section: Digestive and Physiological Characteristicssupporting

confidence: 91%

Section: Correlations Between Ambient Temperature Physiological and mentioning

confidence: 98%

Section: Chemical Analysis and Apparent Digestibility Calculationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Digestive Ability, Physiological Characteristics, and Rumen Bacterial Community of Holstein Finishing Steers in Response to Three Nutrient Density Diets as Fattening Phases Advanced

et al. 2020

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“…Bacteroidetes , Firmicutes and Proteobacteria were the most abundant phylum in this study. These are the main bacterial phyla, and they play vital roles in rumen fermentation [38,39]. Jami and Mizrahi [40] reported that the proportion of Bacteroidetes was higher than Firmicutes , which is consistent with our results.…”

Section: Discussionsupporting

confidence: 91%

Effect of Dietary Fat on the Metabolism of Energy and Nitrogen, Serum Parameters, Rumen Fermentation, and Microbiota in twin Hu Male Lambs

Huang

Zhang

et al. 2018

Preprint

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12Background: Fat is the main substance that provides energy to animals. However, 13 the use of fat in twin Hu lambs has not been investigated. Thirty pairs of male twin 14 lambs were examined to investigate the effects of dietary fat on the metabolism of 15 energy and nitrogen, ruminal fermentation, and microbial communities. The twins are 16 randomly allotted to two groups (high fat: HF, normal fat: NF). Two diets of equal 17 protein and different fat levels. The metabolism test was made at 50-60 days of age. 18 Nine pairs of twin lambs are slaughtered randomly, and the rumen fluid is collected at 19 60 days of age. 20Results: The initial body weight (BW) in the HF group did not differ from that of NF 21 group (P > 0.05), but the final BW was tended to higher than that of NF group (0.05 < 22 P < 0.1). The digestive energy (DE), metabolism energy (ME), DE/ME in the HF group 2 23 tend to be higher than those in the NF group (0.05 < P < 0.1). Ruminal ammonia 24 nitrogen (NH 3 -N) and the proportion of total volatile fatty acids (TVFA) are higher than 25 that in the NF group (P < 0.05). A high throughput sequencing analysis reveals that 26 there were no differences between the two groups in terms of the richness estimates and 27 diversity indices (P > 0.05). The Proteobacteria and Fibrobacteres phyla were higher 28 than that in NF group (P<0.05). 29 Conclusions: This study demonstrated that high fat diet before weaning can affect the 30 abundance of several groups of rumen bacteria in rumen, such as significantly 31 increasing phyla Proteobacteria and Fibrobacteres, and genera of Succinivibrio, 32 Alloprevotella, and Saccharofermentans, but significantly decreasing genera of 33 Clostridium IV, Dialister, Roseburia, and Butyrivibrio. And high fat diet improved the 34 performance of lambs at weight gain, energy utilization, and had effect on VFA 35 composition but no effects on serum enzymes and serum hormone.36 37 42 plane of nutrition pre-weaning have higher starter intakes and average daily gain during 43 the weaning period [3]. 44Fat is an essential nutrient for young animals. It is the main supplier and storage 3 45 of energy in animals. Fat has been used to feed cattle and sheep for a long time [4][5][6]. 46 Raeth-Knight [7] suggested that high fat diets can lead to rapid growth, which allows 47 heifers to reach breeding size earlier with lower production costs. Other researchers 48 suggested that fat may be the result of the dietary fat, fat type, additive amounts and 49 interactions. 50The influence of dietary fat vary among studies, which could be associated with 51 species of animals, type and concentrations of fat and dietary composition [8,9]. 52 However, little information can be found on the effects of dietary fat on twin Hu lambs, 53 a local breed in China and the ewes lamb twice a year with 2-3 lambs in most cases per 54 year. With the similar genetic background in twin lambs, twin Hu lambs is an ideal 55 model to use in the present study. 56 Dietary fat shapes rumen microbiota, most of the ...

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Effects of king grass and sugarcane top in the absence or presence of exogenous enzymes on the growth performance and rumen microbiota diversity of goats

Yang

et al. 2021

Trop Anim Health Prod

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Effects of replacing Leymus chinensis with whole-crop wheat hay on Holstein bull apparent digestibility, plasma parameters, rumen fermentation, and microbiota

Cited by 28 publications

References 73 publications

Digestive Ability, Physiological Characteristics, and Rumen Bacterial Community of Holstein Finishing Steers in Response to Three Nutrient Density Diets as Fattening Phases Advanced

Digestive Ability, Physiological Characteristics, and Rumen Bacterial Community of Holstein Finishing Steers in Response to Three Nutrient Density Diets as Fattening Phases Advanced

Effect of Dietary Fat on the Metabolism of Energy and Nitrogen, Serum Parameters, Rumen Fermentation, and Microbiota in twin Hu Male Lambs

Effects of king grass and sugarcane top in the absence or presence of exogenous enzymes on the growth performance and rumen microbiota diversity of goats

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