Spineless Cactus plus Urea and Tifton-85 Hay: Maximizing the Digestible Organic Matter Intake, Ruminal Fermentation and Nitrogen Utilization of Wethers in Semi-Arid Regions

Mora-Luna, Robert Emilio; Herrera-Angulo, Ana María; Siqueira, Michelle Christina Bernardo de; Conceição, Maria Gabriela da; Chagas, Juana Catarina Cariri; Monteiro, Carolina Corrêa de Figueiredo; Véras, Antônia Sherlânea Chaves; Carvalho, Francisco Fernando Ramos de; Ferreira, M. A.

doi:10.3390/ani12030401

Cited by 4 publications

(1 citation statement)

References 66 publications

(79 reference statements)

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“…The increase in the DM and nutrients intakes is usually reported in studies involving lambs fed cactus-based diets, due to its high acceptability, low NDF content, high NFC level and high passage and degradation rate (Costa et al ., 2016; Cardoso et al ., 2019; Lopes et al ., 2020; Mora-Luna et al ., 2022). On the other hand, the low level of DM in diets containing cactus cladodes provides high water intake via diet.…”

Section: Discussionmentioning

confidence: 99%

Water balance and urinary parameters of lambs fed diets containing cactus cladodes varieties

Silva

Lopes²,

Carvalho³

et al. 2022

J. Agric. Sci.

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The water balance and urinary parameters of lambs fed diets containing cactus cladodes varieties were evaluated. Thirty-six uncastrated male Santa Inês lambs (22.0 ± 2.9 kg initial body weight) were distributed in a completely randomized design, with three treatments and 12 replicates. The animals were fed a control diet (Tifton-85 hay as exclusive roughage), Miúda or Orelha de Elefante Mexicana (OEM) cactus-based diets. Urine samples were collected 45 days after the introduction of the tested diets, and voluntary water intake was measured over 10 days, during the experimental period. Diets containing Miúda or OEM cactus caused a reduction of 68.35 and 77.03% in voluntary water intake, respectively. In addition, the Miúda cactus cladodes caused urinary alkalinization (pH = 8.14) and reduction in the urinary excretion index (UEI) and on the fractional excretion rate (FER) of total calcium (Ca). The diets with OEM cactus cladodes caused higher oxalates intake (6.21 g/day) and increase in urinary volume. Regardless of the variety, there was a reduction in the urinary concentrations of urea, creatinine, total proteins, Ca, phosphorus (P), UEI of urea and P, as well as in FER of P, compared to the control diet. Urinary Mg content and UEI of uric acid and Mg increased and FER of P decreased by diets supplemented with different varieties of cactus cladodes. In conclusion, the cactus cladodes increased water intake and retention, and diuresis in lambs, altered urine parameters, without compromising kidney function.

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Section: Discussionmentioning

confidence: 99%

Water balance and urinary parameters of lambs fed diets containing cactus cladodes varieties

Silva

Lopes²,

Carvalho³

et al. 2022

J. Agric. Sci.

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Levels of leucaena hay associated with cactus pear in diets for crossbred steers

Andrade,

David,

Teixeira

et al. 2023

Trop Anim Health Prod

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Our objective was to evaluate the effects of leucaena hay combined with cactus pear on the nutritional parameters and nitrogen metabolism of crossbred steers. Eight crossbred steers, with an average age of 12 months, initial weight of 267.5 ± 15 kg, were distributed into two simultaneous 4x4 Latin squares according to a 2 x 2 factorial arrangement, in which the rst factor evaluated two different proportions of inclusion of hay from leucena (50 or 70% dry matter basis), and the second factor was the total replacement of ground corn grain with cactus pear. Data were analyzed by the MIXED procedure of SAS.Signi cance was set at p ≤ 0.05. There was lower dry matter (DM) intake (P < 0.05) in animals fed 70% hay. There was an interaction (P < 0.05) between the factors for DM digestibility, in which the animals fed cactus pear did not differ regardless of the inclusion of leucaena, but for animals without cactus pear, the greater inclusion of leucaena hay decreases DM digestibility. The inclusion of cactus decreased (P < 0.05) free water intake. On the other hand, there was interaction (P < 0.05) for total water intake, in which the animals fed without cactus pear presented similarity for this, while in the inclusion of cactus pear, the animals fed 70% of leucaena presented higher water intake. Also, lower values (P < 0.05) of chewing (number/bolus and number/d) were observed for animals fed cactus pear.

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Cactus cladodes for dairy goats: what is the best fiber source?

de Lima,

Monteiro,

Mesquita

et al. 2023

Trop Anim Health Prod

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Spineless Cactus plus Urea and Tifton-85 Hay: Maximizing the Digestible Organic Matter Intake, Ruminal Fermentation and Nitrogen Utilization of Wethers in Semi-Arid Regions

Cited by 4 publications

References 66 publications

Water balance and urinary parameters of lambs fed diets containing cactus cladodes varieties

Water balance and urinary parameters of lambs fed diets containing cactus cladodes varieties

Levels of leucaena hay associated with cactus pear in diets for crossbred steers

Cactus cladodes for dairy goats: what is the best fiber source?

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