Intake, nutrient digestibility, nitrogen balance, and microbial protein synthesis in sheep fed spineless-cactus silage and fresh spineless cactus

Pereira, Gildênia Araújo; Santos, Edson Mauro; Oliveira, Juliana Silva de; Araújo, Gherman Garcia Leal de; Paulino, Raniere de Sá; Perazzo, Alexandre Fernandes; Ramos, João Paulo de Farias; Neto, José Maria César; Cruz, Gabriel; Leite, Guilherme

doi:10.1016/j.smallrumres.2020.106293

Cited by 17 publications

(9 citation statements)

References 67 publications

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“…However, AMF-inoculated plants were better adapted to drought stress than controlled plants. Similarly, [ 42 ] and [ 12 ] found that AMF-inoculated plants better induce tolerance to drought stress and improve biomass production than non-mycorrhizal plants.…”

Section: Discussionmentioning

confidence: 93%

Arbuscular mycorrhizal fungi improve biomass, nutritive value, and digestibility of Opuntia ficus-indica (L.) Miller under different water levels by inducing resistances against cochineal infestation

Kebede,

Birhane,

Ayimut

et al. 2024

Preprint

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Background: Opuntia ficus-indica (L.) Miller is dominantly growing in arid and semi-arid areas with low nutrient contents. Plants that grow with low-nutrient conditions are more attacked by herbivore insects and develop a strong association with arbuscular mycorrhizal fungi (AMF) to adapt to nutrient, drought, and herbivore insect stress. The objective of this study was to investigate the effects of AMF inoculations and variable soil water levels (SWA) on the biomass, nutrient concentration, nutritional composition, and nutrient digestibility of the spiny and spineless O. ficus-indica by inducing resistance to cochineal stress. Results: AMF was inoculated to O. ficus-indica plants to improve nutrient value and digestibility by inducing to resist cochineal and drought stresses. Second instar crawlers were exposed to the AMF treated and controlled O. ficus-indica plants. Drought stress reduced the below and above-ground biomass, cladode nutrient content, nutritional composition, and in vitro dry matter digestibility (IVDMD) and in vitro organic matter digestibility (IVOMD). AMF colonization significantly increased biomass production with significant changes in the macro and micro-nutrient concentrations of O. ficus-indica. AMF inoculation significantly increased the IVDMD and IVOMD of both O. ficus-indica types by improving the biomass, organic matter (OM), crude protein (CP), and reduced fiber and ash contents. AMF-inoculated cladodes improved the nutrient concentrations of the cladodes. AMF caused an increase in biomass production, increased tolerance to cochineal stress, and improved nutrient concentration, nutritional composition, and nutrient digestibility performance of O. ficus-indica. Conclusions: Our study concludes that the role of AMF on the O. ficus-indica plant is not only to resist drought and cochineal stress but also to improve biomass, nutrient concentration, nutritional composition, and nutrient digestibility. The potential of O. ficus-indica to adapt to cochineal stress is controlled by the micro and micro-nutrient concentration performance related to the AMF association.

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Section: Discussionmentioning

confidence: 93%

Arbuscular mycorrhizal fungi improve biomass, nutritive value, and digestibility of Opuntia ficus-indica (L.) Miller under different water levels by inducing resistances against cochineal infestation

Kebede,

Birhane,

Ayimut

et al. 2024

Preprint

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“…When cactus pear is offered in too high amounts in the ruminant diet and without the provision of an extra source of forage, changes in the characteristics of animal feces are observed, generally less solid than normal, due to the increased passage rate caused by the high amount of water available and low fiber content in the diet based on cactus pear [ 17 ].…”

Section: Discussionmentioning

confidence: 99%

Microbiological Composition of Diets of Cactus Pear-Based with Increasing Levels of Buffel Grass Hay and Relationship to Nutritional Disorders in Sheep

Vieira

Oliveira

Santos

et al. 2022

Animals

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This study aimed to evaluate the microbiological composition of cactus pear-based diets with increasing levels of buffel grass hay, and its effect on the blood and physiological parameters and occurrence of diarrhea in feedlot sheep. Four diets containing different percentages of buffel grass hay were tested. Diets were composed of forage cactus, buffel grass hay and concentrate, and the treatments were represented by different levels of hay in the dry matter of the feed: 7.5% buffel grass hay; 15% buffel grass hay; 30% buffel grass hay; and 45% buffel grass hay on a dry matter basis. There was a significant effect (p = 0.0034) of inclusion levels of buffel grass hay on fecal score. Only at the 45% inclusion level diarrhea was not observed, showing that the level of buffel grass affected more the animals than the collection period, although the collection period has affected the microbial counts. Probably there was a physiological adaptation of animals over time. There were significant changes (p < 0.0001) in the blood parameters of sheep. The reduction of the proportion of cactus and the inclusion of greater than 15% buffel grass hay, on a dry matter basis, provides less contamination of the diet and animal feces by enterobacteria, such as E. coli.

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“…enables productivity to be maintained during periods when natural pastures are reduced, constituting an important strategy for food security for herds (Ramos et al, 2015). Pereira et al (2021), noted that the use of spineless cactus in the form of silage in sheep diets, resulted in higher intakes of dry matter, organic matter, neutral detergent fiber, ether extract, non-fibrous carbohydrates, and total digestible nutrients; and higher digestibility coefficients of dry matter, organic matter, and total digestible nutrients.…”

Section: Introductionmentioning

confidence: 99%

Genetic diversity for agronomic and bromatological traits in forage cactus

Jesus,

Passos,

Diniz

2023

Acta Sci. Agron.

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This work aimed to estimate the genetic diversity in accessions of Opuntia ficus-indica collected in 13 regions of the semiarid region of Bahia. A total of 65 accessions were evaluated in a randomized complete block design, with three replications, at the Rio Seco experimental station belonging to the State University of Feira de Santana, Amélia Rodrigues-BA. Characterization of the accessions was made through the evaluation of 17 descriptors, namely 11 agronomic and six bromatological. The average Euclidean distance was used to estimate the genetic diversity among accessions. The shortest distances were obtained for accessions from the same collection site while the largest were observed in accessions 54 and 62 (10.32 DE) and 63 and 3 (10.22 DE). The analysis of canonical variables indicated cladodes total number (CTN), plant width (PW), CL, plant height (PH), ether extract (EE), and dry weight (DW) for discard as they presented the lowest contribution of the data set variation. Principal component analysis and K-means method were used to establish the clusters, and the formation of four groups was indicated. The first two principal components captured 52.5% of the total variation present in accessions. The descriptors with the greatest contribution to the variation observed in O. ficus-indica were total cladode photosynthetic area (TCPA), cladode area (CA), and cladodes width (CW). There is divergence between cactus forage accessions collected in the semiarid region of Bahia. This information will allow the use of these materials for the formation of segregating populations in the genetic improvement program of the State University of Feira de Santana. The accessions of groups III and IV should be explored by the forage cactus breeding program, as they presented greater productive potential.

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Intake, nutrient digestibility, nitrogen balance, and microbial protein synthesis in sheep fed spineless-cactus silage and fresh spineless cactus

Cited by 17 publications

References 67 publications

Arbuscular mycorrhizal fungi improve biomass, nutritive value, and digestibility of Opuntia ficus-indica (L.) Miller under different water levels by inducing resistances against cochineal infestation

Arbuscular mycorrhizal fungi improve biomass, nutritive value, and digestibility of Opuntia ficus-indica (L.) Miller under different water levels by inducing resistances against cochineal infestation

Microbiological Composition of Diets of Cactus Pear-Based with Increasing Levels of Buffel Grass Hay and Relationship to Nutritional Disorders in Sheep

Genetic diversity for agronomic and bromatological traits in forage cactus

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