Divergence in nutrient concentration, <i>in vitro</i> degradation and gas production potential of spineless cactus genotypes selected for insect resistance

Santos, Rafael Dantas dos; Neves, Alice Cristina Medeiros das; Santos, Djalma Cordeiro dos; Pereira, L.; Gonçalves, Lúcio Carlos; Ferreira, Alexandre Lima; Costa, Cleber Thiago Ferreira; Araújo, Gherman Garcia Leal de; Scherer, C. B.; Sollenberger, Lynn E.

doi:10.1017/s002185961800031x

Cited by 8 publications

(4 citation statements)

References 25 publications

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“…Fasting losses in animals fed SCU represented 6%, the approximately double of that observed in the other diets. Spineless cactus is rich in water and presents a high passage rate of organic matter (more than 10% h -1 ) (Santos et al, 2018). Those characteristics contribute to a greater emptying of gastrointestinal tract during fasting.…”

Section: Discussionmentioning

confidence: 99%

Body weight components and meat quality of hair sheep fed diets containing different carbohydrate sources associated with urea

Silva

Santos

Guim

et al. 2020

Chil. j. agric. res.

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In semi-arid zones, feedlots are considered a tool to minimize the impacts of seasonal forage on the production of sheep meat in the tropics. However, the use of alternative tropical ingredients as substitutes for corn (Zea mays L.) and soybean (Glycine max [L.] Merr.) meal in formulations of confined sheep diets is recurrent. The aim of this study was to evaluate the effect of diets containing corn and soybean meal (CS), corn (CU), cassava (Manihot esculenta Crantz) root (CRU) or spineless cactus (Opuntia ficus-indica [L.] Mill., SCU) associated with urea on the performance, carcass characteristics and meat quality of confined lambs. Forty non-castrated Santa Inês sheep with average age of 150 d and average initial weight of 22.6 ± 2.3 kg were confined in individual pens for 76 d and slaughtered. The diets effects were contrasted by Tukey test. Empty body weight was different among the treatments (P < 0.05) and was 27.3, 25.3, 23.0 and 21.1 kg for the animals fed CS, CU, CRU and SCU, respectively. CS diet presented higher cold carcass weights while SCU diet presented lower cold carcass weights (P < 0.05) (11.37 kg) and higher cooling losses. Luminosity, yellow color intensity and meat moisture content were higher (P < 0.05) in SCU than CS. Liver, skin and internal fat weights were similar (P > 0.05) in CU and CRU, but higher (P < 0.05) than SCU. The replacement of corn and soybean meal for different carbohydrate sources associated with urea reduces the body weight components in confined sheep.

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Section: Discussionmentioning

confidence: 99%

Body weight components and meat quality of hair sheep fed diets containing different carbohydrate sources associated with urea

Silva

Santos

Guim

et al. 2020

Chil. j. agric. res.

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“…Haw.) is less demanding in nutrients and more tolerant to water stress conditions, besides requires higher dry matter production by unit area than 'Miúda' (Santos et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Histologic changes in liver tissue of sheep fed spineless cactus resistant to Dactylopius opuntiae

Dias

Véras²,

Lopes³

et al. 2022

Semina: Ciênc. Agrár.

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This study aimed to assess the effects of diets containing spineless cactus genotypes resistant to carmine cochineal insect (Dactylopius opuntiae) on the liver condition of sheep. Thirty-six non-castrated Santa Inês male sheep (six months of age and average initial body weight of 22.0 ± 2.9 kg) were assigned to a completely randomized design, with three treatments and 12 replicates. The animals were fed a diet with Tifton hay as exclusive roughage (control) and two more diets in which the hay was partially replaced by ‘Miúda’ or ‘Orelha de Elefante Mexicana’ (OEM.) spineless cactus. The animals were randomly slaughtered at 86 days after 16-h solid fast. The use of spineless cactus, regardless of genotype, increased the liver weight and caused inflammatory processes and necrosis on the liver parenchyma. Spineless cactus in diets for sheep confined for 86 days, despite causing liver tissue damage, such as inflammation and death process of hepatocytes, does not compromise weight gain.

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“…The main types of cactus cladodes used as forage in dairy production systems in the semi-arid areas of Brazil are Opuntia and Nopalea . These are especially popular during the drought season, when feed supply in the region is low (Santos et al ., 2018). Although FAO (2017) described the Brazilian exploitation of Opuntia for forage, it is a clear example of technological adequacy of use in meeting the economic needs of the country; recently, cactus cladode plantations have been infested by the carmine cochineal insect ( Dactylopius opuntiae Cockerell), which has motivated researchers to evaluate genotypes/cultivars with increased resistance to the pest.…”

Section: Introductionmentioning

confidence: 99%

“…Santos et al . (2018) evaluated nutritional characteristics of 13 forage cactus cladode genotypes (resistant, semi-resistant and susceptible to carmine cochineal) in the Arcoverde Experimental Station of the Agronomic Institute of Pernambuco, Brazil, and observed that resistant genotypes showed characteristics similar to traditional genotypes and recommended further studies to evaluate the performance of animals fed these genotypes.…”

Section: Introductionmentioning

confidence: 99%

Concentrate levels associated with a new genotype of cactus (Opuntia stricta [Haw]. Haw.) cladodes in the diet of lactating dairy cows in a semi-arid region

et al. 2018

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The use of cactus cladodes in animal feed is well-established in semi-arid areas. The cactus Nopalea cochenillifera (L.) Salm-Dyck cladodes (Nopalea) have high acceptability amongst dairy cows and are resistant to carmine cochineal insects (Dactylopius opuntiae Cockerell), a problem in semi-arid regions, but in regions of prolonged drought, it has lower productivity compared with the cactus Opuntia stricta (Haw.) Haw cladodes (Opuntia), which is also resistant to the insect. The objective of the current study was to evaluate the intake and content of digestible material of dry matter (DM) and its components, feeding behaviour, microbial protein synthesis, nitrogen balance, blood parameters, performance and milk composition of Holstein cows fed a control diet, containing either Nopalea or Opuntia associated with different concentrate levels (225, 275, 325 and 375 g/kg). Ten cows with an initial average milk production of 20 ± 2.1 kg/day were distributed into a double 5 × 5 Latin square design. Diets containing 775 g roughage/kg and 225 g concentrate/kg promoted similar responses to the analysed variables regardless of the cactus cladode used, except for digestibility of neutral detergent fibre. Diets containing higher proportions of concentrate (325 and 375 g/kg) promoted greater DM intake and 3.5% fat-corrected milk yield. The diet containing Opuntia at 775:225 g/kg roughage:concentrate proportion is as effective as the control diet for Holstein cows producing 20 kg of milk/day. To promote greater milk production, higher proportions of concentrate should be added to diets using Opuntia.

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Divergence in nutrient concentration, in vitro degradation and gas production potential of spineless cactus genotypes selected for insect resistance

Cited by 8 publications

References 25 publications

Body weight components and meat quality of hair sheep fed diets containing different carbohydrate sources associated with urea

Body weight components and meat quality of hair sheep fed diets containing different carbohydrate sources associated with urea

Histologic changes in liver tissue of sheep fed spineless cactus resistant to Dactylopius opuntiae

Concentrate levels associated with a new genotype of cactus (Opuntia stricta [Haw]. Haw.) cladodes in the diet of lactating dairy cows in a semi-arid region

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