Effects of Supplements with Different Protein Contents on Nutritional Performance of Grazing Cattle During the Rainy Season

Figueiras, Janderson Florêncio; Detmann, Edênio; Franco, Márcia de Oliveira; Batista, Erick Darlisson; Reis, William Lima Santiago dos; Paulino, Mário Fonseca; Filho, S. C. Valadares

doi:10.5713/ajas.16.0125

Cited by 16 publications

(14 citation statements)

References 24 publications

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“…Heifers fed PRO had increased DEI, which was a reflection of greater CPI and DMD (Table 3), ultimately increasing ADG (Table 4). Similar results were reported by [27] when supplementing Holstein x Zebu steers grazing Brachiaria decumbens with increasing levels of protein supplementation. Heifers fed the PRO treatment had greater CPI in all three periods compared to the CON and ENE treatment (Fig 2).…”

Section: Discussionsupporting

confidence: 89%

Supplementation strategies affect the feed intake and performance of grazing replacement heifers

et al. 2019

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The literature lacks studies investigating the performance of supplemented replacement heifers grazing on intensively managed warm-season pasture. Our objective was to evaluate the effects of supplement composition (energetic or protein) on the performance, muscle development, thermogenisis, nutrient intake, and digestibility of replacement Holstein heifers grazing Mombaça grass. Eighteen Holstein heifers with an average age and initial body weight (BW) of 12.57 ± 2.54 mo and 218.76 ±47.6 kg, respectively, were submitted to a randomized block design, with six replicates on a rotational grazing system of Panicum maximum cv. Mombaça pasture. Treatments were: control (CON; mineral salt ad libitum); energy supplement (ENE; corn meal as supplement, 8% CP and 3.78 Mcal/kg DE); and protein supplement (PRO; corn and soybean meal, 25% CP and 3.66 Mcal/kg DE). Supplements were individually fed at 0.5% BW. The experiment lasted 120 days, subdivided into three periods. Titanium dioxide and indigestible neutral detergent fiber (iNDF) were used to estimate the intakes and digestibility of the nutrients. BW, wither height, thoracic circumference, body length, and ultrasound of ribeye fat thickness measurements were taken once per period. Body condition score (BCS) was assessed twice during the experiment. The MIXED procedure of SAS, including period as a repeated measure, was used and significance was declared at P ≤ 0.05. Dry matter intake (DMI), CP intake (CPI) and DE intake were greater in heifers fed PRO compared to CON and ENE. Heifers supplemented with ENE had the lowest DMI. Treatment affected pasture intake/BW; it was similar between PRO and CON heifers, and lower for the ENE treatment. A treatment × period interaction was observed for NDF intake (%BW), in which heifers fed PRO and CON had the greatest NDF intake and ENE had the lowest. The digestibility of DM was the greatest in PRO-supplemented heifers and the lowest in CON heifers. Heifers fed ENE had decreased CP digestibility compared to PRO and CON heifers. Average daily gain (ADG) and thoracic circumference gain were greatest in the PRO treatment. BCS was greater in PRO compared to CON and ENE heifers. Supplementing Holstein heifers at 0.5% BW using PRO supplementation resulted in better animal performance, primarily greater ADG, than feeding ENE or not supplementing (CON). In conclusion, our results indicate that dairy heifers should be fed a protein supplement when grazing intensively managed Mombaça grass pasture.

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Section: Discussionsupporting

confidence: 89%

Supplementation strategies affect the feed intake and performance of grazing replacement heifers

et al. 2019

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“…Figueiras et al [15] reported that increased forage intake can be reached by maintaining a balanced protein-to-energy ratio in the diet, while the supplementation of protein can improve dietary equilibrium. This can reduce the metabolic discomfort of the animal and result in greater forage intake.…”

Section: Discussionmentioning

confidence: 99%

Protein Supplementation Improves Performance of Lambs Fed Low-Quality Forage

Obeidat

Subih

Ata

2019

Animals

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The objective was to investigate the effect of supplementing Awassi lambs fed low-quality forage with soybean meal. Twenty-one lambs (initial body weight (BW) of 26.1 ± 2.57 kg) were randomly assigned to the study diets, 1) the basal diet (forage mix; CON; n = 7); 2) the basal diet supplemented with either 125 (SBM125; n = 7); or 3) with 250 (SBM250; n = 7) SBM g/head/day. The forage mix was composed of 65% wheat straw and 35% alfalfa hay. The experimental diet was offered to the animals for 54 days. On day 40, four animals from each group were chosen to assess N balance and nutrient digestibility. The intake of crude protein (CP) and dry matter (DM) was the highest (p < 0.016) in the SBM250 group, followed by the SBM125 group and the CON diet. Digestibility of DM and CP was higher (p <0.05) for the SBM-containing diets than the CON diet. Final BW and average daily gain were greater (p < 0.008) for lambs that consumed SBM-containing diets than for those that consumed the CON diet. In summary, the growth performance, forage utilization, and nutrient digestibility improved for lambs fed low-quality forage when supplemented with soybean meal.

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“…Nevertheless, the roughage that forms the basis of a feed ration should be of good quality, have both nutritional and hygienic qualities and be capable of meeting at least the total maintenance requirements. Unfortunately, tropical grasses for grazing buffaloes infrequently represent a balanced diet, since they have constraints on one or more nutrients that may limit the intake of forage, digestibility or the metabolism of the absorbed substrates [61]. Therefore, an addition of concentrate in the diet should be practiced in buffaloes' feeding to ensure a balanced ration, and nutrients are provided to meet the buffaloes' requirements [62].…”

Section: Roughage Feedingmentioning

confidence: 99%

“…To improve buffalo performance, the utilization of pastures in any season as the main nutrients is not considered to be optimal [61]. Thus, selecting mature, dried foliage and stems of grasses ensures supply of a low protein level of less than three percent of crude protein.…”

Section: Roughage Feedingmentioning

confidence: 99%

The Impact of Feed Supplementations on Asian Buffaloes: A Review

Azmi

Ahmad

Nor

et al. 2021

Animals

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With the increase in the global buffalo herd, the use of supplementation in the ruminant feeding has become an important area for many researchers who are looking for an isocaloric and isonitrogenous diet to improve production parameters. In order to improve the performance of the Asian water buffalo, the optimal balance of all nutrients, including energy and protein, are important as macronutrients. Dietary supplementation is one of the alternatives to enhance the essential nutrient content in the buffalo diet and to improve the rumen metabolism of the animal. Researchers have found that supplementation of concentrate and rumen bypass fat could change growth performance and carcass traits without causing any adverse effects on the buffalo growth. Some studies showed that dry matter intake, body condition score and some blood parameters and hormones related to growth responded positively to concentrate and rumen bypass fat supplementation. In addition, changes of feeding management by adding the supplement to the ruminant basal diet helped to increase the profit of the local farmers due to the increased performance and productivity of the animals. Nevertheless, the effects of dietary supplementation on the performance of ruminants are inconsistent. Thus, its long-term effects on the health and productivity of buffaloes still need to be further investigated.

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Effects of Supplements with Different Protein Contents on Nutritional Performance of Grazing Cattle During the Rainy Season

Cited by 16 publications

References 24 publications

Supplementation strategies affect the feed intake and performance of grazing replacement heifers

Supplementation strategies affect the feed intake and performance of grazing replacement heifers

Protein Supplementation Improves Performance of Lambs Fed Low-Quality Forage

The Impact of Feed Supplementations on Asian Buffaloes: A Review

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