Effect of creep-fed supplement on the susceptibility of pasture-grazed suckling lambs to gastrointestinal helminths

Melo, Gleice Kelli Ayardes de; Ítavo, Camila Celeste Brandão Ferreira; Monteiro, Kedma Leonora Silva; Silva, Jonilson Araújo da; Silva, Pâmila Carolini Gonçalves da; Ítavo, Luís Carlos Vinhas; Borges, Dyego Gonçalves Lino; Borges, Fernando de Almeida

doi:10.1016/j.vetpar.2017.04.017

Cited by 17 publications

(28 citation statements)

References 18 publications

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“…( SCHOEMAN, 2000). Similarly, improvement in the productive performance and reduction in the degree of infection have been reported in lambs of other breeds supplemented with concentrate in other regions of Brazil (TONTINI et al, 2015;MELO et al, 2017;SALGADO et al, 2017). Precautionary treatment given to lambs with PCV values lower than 23% was an approach similar to that recommended to prevent haemonchosis in the FAMACHA  method, in which the clinical category 3 corresponds to PCV = 18% to 22%.…”

Section: Discussionmentioning

confidence: 77%

Losses caused by gastrointestinal nematode infections in Dorper lambs under two nutritional status

Starling

Almeida

Viana

et al. 2019

Rev. Bras. Parasitol. Vet.

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The aim of this study was to evaluate the effect of two nutritional statuses on the productive performance of Dorper lambs naturally infected with gastrointestinal nematodes. Thirty-two lambs, grazing together on the same pasture, were allocated into four experimental groups: (G1) infected-supplemented diet, (G2) control-supplemented diet, (G3) infected-basal diet, and (G4) control-basal diet. Control animals received suppressive treatment with monepantel every two weeks, while precautionary anthelmintic treatments were given to all lambs of the infected groups with packed cell volume (PCV) <23%. There was reduction in the PCV means of all groups, which was more pronounced in the infected lambs that also presented reduction in total plasma protein values in comparison with the controls. Weight gain was affected by diet and infection status (P < 0.05). Daily body weight gain was 0.170 kg in the G1, 0.205 kg in the G2, 0.085 kg in the G3, and 0.116 kg in the G4. The cold carcass weight was 4.1% and 13.7% higher in controls in comparison with infected lambs, respectively, in the supplemented and basal diets. The infected groups, despite receiving precautionary anthelmintic treatments to prevent deaths due to haemonchosis, presented reduction in the production parameters in comparison with the controls.

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Section: Discussionmentioning

confidence: 77%

Losses caused by gastrointestinal nematode infections in Dorper lambs under two nutritional status

Starling

Almeida

Viana

et al. 2019

Rev. Bras. Parasitol. Vet.

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“…No animals died, which was likely a consequence of the good animal performance in the first two treatments (Table 5) provided by the supply of high-quality herbage ( Table 2) and supplement intake (Table 4). According to Silva (2016) and Melo et al (2017), creep-feeding lambs is an effective strategy, as it increases their ADG and reduces parasitic load as well as the number of cases of hepatogenic photosensitization.…”

Section: Illness and Mortalitymentioning

confidence: 99%

“…Creep feeding can contribute to heightening resistance to some diseases and gastrointestinal parasitic infections in lambs, which can affect them as early as in the first months of life (Torres-Acosta et al 2012;Melo et al 2017). Animals grazing on Urochloa spp.…”

Section: Introductionmentioning

confidence: 99%

Weaning Age of Lambs Creep-Fed While Grazing on Marandu Pasture

Heimbach¹,

Ítavo²,

Ítavo³

et al. 2019

JAS

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This study aimed to examine the weaning age (60 and 90 days) of lambs supplemented while grazing on Urochloa brizantha cv. Marandu pasture. Production performance, incidence of worm infections, intoxication, and production cost of lambs, beside that body condition and occurrence of single or twin births in the ewes were evaluated, by two consecutive years. There was no effect of year. Lambs weaned at 90 days consumed more supplement (281.0 g/day) than those weaned at 60 days (210.2 g/day) and showed a higher total weight gain (20.76 kg vs. 14.97 kg). Weaning age did not influence the occurrence of worm infections and intoxication by Urochloa spp. in the lambs, dam weight or body condition score (BCS). Ewes with single-born showed a better BCS (1.8 points) than those ewes had twin-born (1.4 points). The costs of supplementing the lambs and the effective operating cost were higher when the lambs were weaned at 90 days of age. There was no difference for intake, lamb performance between the weaning age groups. We recommend to wean lambs at 90 days in a creep feeding system.

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“…Sheep breeding for meat production has expanded in the last decade, mainly due to the increase in the demand for sheep meat in the market. For this reason, there has been a search for production systems able to produce, efficiently, quality meat at low cost (MELO et al, 2017;FERNANDES et al, 2017;TRINDADE et al, 2018;EMERENCIANO NETO et al, 2018). Even the same, the production chain of these animals in Brazil is still incipient since this activity in most properties is considered as secondary.…”

Section: Introductionmentioning

confidence: 99%

“…Supplementation get in the system in order to correct nutritional deficiencies, and in sheep production, it minimizes the impact of endoparasitosis (HOUDIJK et al, 2009;ROCHA et al, 2011;TORRES-ACOSTA et al, 2012;MELO et al, 2017). The constant search for alternative feeds to the soybean bran, which is the most used protein concentrate in animal production systems, is fundamental, especially in regions distant from those producing grain.…”

Section: Introductionmentioning

confidence: 99%

Impact of supplementation with different protein sources on the parasitological profile of ovine matrices and development of lambs

et al. 2020

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The aim was to evaluate the impact of supplementation with different protein sources from agro-industrial production on the parasitological profile of ovine matrices and the development of their offspring. The protein sources used were: soybean bran, cotton pie, babassu pie, and coconut pie. A total of 60 ovine matrices were used, with confirmed pregnancy and supplemented in the final third of gestation at 0.5% of live weight in pastures of deferred Marandu grass. The evaluations occurred from the final third of gestation and in the lactation phase until weaning. The data collected in the matrices were: counting of eggs per gram of feces (EPG) and identification of infective larvae (Faecal test), evaluation of the degree of anemia by the FAMACHA© method, body weight (kg), and body condition score (BCS). In the lambs, the biometric measurements were taken from the 30 days of life until weaning. In Faecal test, the prevalence was 98% of Haemonchus spp. There was no effect of the protein sources for EPG (3476.0) and FAMACHA©. However, in the mats supplemented with coconut pie were observed the lowest body weights (36.9 kg) and lower BCS (2.7). Babassu, coconut and cotton cakes, and soybean meal used as a protein source in the supplementation of ovine matrices kept in deferred pastures of Marandu grass at the 0.5% level of live weight maintain the production indexes consistent with the physiology stage of the matrices even with a high endo-parasitic load.

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Effect of creep-fed supplement on the susceptibility of pasture-grazed suckling lambs to gastrointestinal helminths

Cited by 17 publications

References 18 publications

Losses caused by gastrointestinal nematode infections in Dorper lambs under two nutritional status

Losses caused by gastrointestinal nematode infections in Dorper lambs under two nutritional status

Weaning Age of Lambs Creep-Fed While Grazing on Marandu Pasture

Impact of supplementation with different protein sources on the parasitological profile of ovine matrices and development of lambs

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