Performance and carcass traits of goat kids fed high-concentrate diets containing citrus pulp or soybean hulls

Polizel, Daniel Montanher; Gobato, Luiz Guilherme Mezzena; Souza, Rafael Alves de; Gentil, Renato Shinkai; Ferreira, E.; Freire, Ana Paula Alves; Susin, Ivanete

doi:10.1590/0103-8478cr20150450

Cited by 7 publications

(8 citation statements)

References 12 publications

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“…The replacement of ground corn by by-products in high-concentrate diets generally is done to minimize fluctuation of ruminal pH throughout the day, which may contribute to increase DMI and consequently ADG (Polizel et al, 2016). This study aimed to evaluate the inclusion of WCP as an energetic ingredient in diets for feedlot lambs.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, when 40% of WCP was added, the increase in the NDF may have resulted in a rumen fill limits to feed intake (Waldo, 1986). The increase in NDF of high digestibility in high starch diets normally increase animal performance (Ferreira et al, 2011;Polizel et al, 2016). In addition, the lower DMI for animals fed 40WCP diet may be due to the large water content in the WCP.…”

Section: Discussionmentioning

confidence: 99%

“…The higher pectin content results in a fast rumen fermentation providing energy for microbial growth, which may increase animal performance (Ferreira et al, 2020;Oltramari et al, 2016;Polizel et al, 2016). Additionally, the high NDF digestibility helps to control the rumen fermentation when citrus pulp replaces corn (DePeters et al, 1997;Hall et al, 1988).…”

Section: Introductionmentioning

confidence: 99%

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Wet citrus pulp in finishing diets for feedlot lambs:

Mello¹,

Moreira²,

Polizel³

et al. 2020

Braz. J. Vet. Res. Anim. Sci.

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Pectin industry generates a citrus pulp residue compounded by peduncle, endocarp, juice vesicles, columella, seeds and tiny fractions of epicarp and mesocarp of citrus fruits, denominated Wet Citrus Pulp (WCP), which has not yet been tested as food for lamb’s nutrition. Thus, this study aimed to determine the effect of partial replacement of ground corn by WCP in high-concentrate diets on the performance and hepatic enzyme concentration of feedlot lambs. Forty-two male lambs (15 Santa Inês and 27 ½ Dorper × Santa Inês), with 24.7 ± 1.5 kg of BW and 60 ± 5 d of age was assigned to a randomized complete block design. Within blocks (n = 14), lambs were randomly assigned to 1 of 3 treatments: 0WCP (control) – diet containing 75.5% ground corn without WCP; 20WCP – diet containing 20% WCP in replacement of ground corn, and 40WCP – diet containing 40% WCP in replacement of ground corn. The experiment lasted 70 days, which was split in 3 experimental periods (14 days of diets’ adaptation and 2 sub-periods of 28 days each). Statistical analyses were performed using the MIXED procedure of the SAS. Orthogonal polynomials for diet response were determined by linear and quadratic effects. There was a quadratic effect for DM, CP, ash, ether extract and NFC intake The highest DM and CP intake was observed for lambs fed 20WCP, however, the control diet increased the ash, ether extract and NFC intake. The increased levels of WCP decreased the ADG and feed efficiency (FE) during the adaptation period, however, did not affect the ADG and FE on periods 1 and 2. Consequently, the increased levels of WCP inclusion decreased linearly the BW. There was no effect of WCP inclusion in diets on Gamma-Glutamyl Transferase (GGT) concentration. However, there was a linear increase for Aspartate Aminotransferase (AST) concentration during the adaptation period, but without difference in other periods. In conclusion, adding up to 40% of WCP in finishing diets for feedlot lambs decrease performance during adaptation period, compromising the final body weight, but without damages effects on liver enzymes.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wet citrus pulp in finishing diets for feedlot lambs:

Mello¹,

Moreira²,

Polizel³

et al. 2020

Braz. J. Vet. Res. Anim. Sci.

Self Cite

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“…This ability is thought to derive from the goats’ natural tendency to browse rather than graze, allowing them to adjust their feeding behaviour around food availability 3. This perceived ability, coupled with the lack of high‐quality roughages in some areas of Southern Europe, has led to trials being conducted where goats are offered high‐concentrate rations of up to 85–90 per cent of total dietary intake 4 5. These trials have indicated an improved animal performance (liveweight gain and milk yield), without any significant impacts on goat health, when compared with low‐concentrate rations of up to 30 per cent and poor‐quality roughages 6.…”

Section: Introductionmentioning

confidence: 99%

Laminitis in dairy goats (Capra aegagrus hircus) on a low‐forage diet

Groenevelt

Cahalan

Anzuino

et al. 2018

Vet Record Case Reports

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Dairy goats on high-concentrate diets attain high production levels, but at what cost? Here, ongoing lameness problems in a herd offered ad lib concentrates and roughages throughout their lifetime were investigated. Five severely affected, chronically lame animals were euthanased and examined postmortem. Foot pathology consisted of distortion of the claw shape and irregular fissures over the solar and bulbar horn with the distal phalanx rotated downwards on two claws. Rumen pH was measured between 5.26 and 5.46 with moderate rumen mucosa hyperkeratosis, and ulcerative, mild lymphocytic rumenitis. Feet showed irregular hyperplasia of the epidermal laminae with parakeratotic hyperkeratosis, especially in solar regions. Dense clusters of lymphocytes expanded the dermal laminae. Based on these findings, chronic laminitis was suspected. Ruminal hyperkeratosis was likely a result of prolonged periods of acidosis. The consequences of feeding a high-concentrate ration throughout the life of dairy goats need more research.

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“…Por outro lado, dietas com alto teor de concentrado são de fácil armazenagem e manejo e proporcionam crescimento rápido e eficiente quando comparado com animais criados em pasto por um mesmo período (Barros et al, 2009). Assim sendo, sistemas intensivos como o confinamento e o uso de dietas com alto teor de concentrado tem se consolidado na produção de cordeiros para abate precoce Ferreira et al, 2014;Gallo et al, 2014;Polizel et al, 2016).…”

Section: Introductionunclassified

Uso do bicarbonato de sódio e da casca de soja em dietas sem forragem para terminação de cordeiros confinados

Vicente¹

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Performance and carcass traits of goat kids fed high-concentrate diets containing citrus pulp or soybean hulls

Abstract: Performance and carcass traits of goat kids fed high-concentrate diets containing citrus pulp or soybean hulls.Ciência Rural, v.46, n.4, abr, 2016.

Cited by 7 publications

References 12 publications

Wet citrus pulp in finishing diets for feedlot lambs:

Wet citrus pulp in finishing diets for feedlot lambs:

Laminitis in dairy goats (Capra aegagrus hircus) on a low‐forage diet

Uso do bicarbonato de sódio e da casca de soja em dietas sem forragem para terminação de cordeiros confinados

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