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Dos Santos FM, Bezerra LR, Vieira JF, Marcelino PDR, Barbosa AM, Pereira Filho JM, Arce-Cordero JA, Ribeiro CVDM, Silva TM, Oliveira RL. Fatty acid profile, physicochemical composition and carcass traits of young Nellore bulls fed Acacia mearnsii extract. Meat Sci 2024; 216:109579. [PMID: 38959639 DOI: 10.1016/j.meatsci.2024.109579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 04/15/2024] [Accepted: 06/21/2024] [Indexed: 07/05/2024]
Abstract
Fatty acid profile, physicochemical composition, and carcass traits of 32 young Nellore bulls were assessed following the supplementation of Acacia mearnsii extract at levels of 0, 10, 30, and 50 g/kg of total dry matter (DM) in a completely randomized experiment with four treatments and eight replicates. Adding 50 g/kg DM of condensed tannins (CT) from Acacia mearnsii in the bulls' diet reduced DM intake, average daily gain, and meat lipid oxidation (P ≤ 0.05). The pH, centesimal composition, collagen, and meat color indexes of the longissimus muscle were not altered by the addition of Acacia mearnsii (P > 0.05). Cooling loss increased (P = 0.049) linearly. Including Acacia mearnsii in diet reduced the Warner-Bratzler shear force (WBSF, P = 0.018) of longissimus muscle of the bulls. The concentration of C16:0, C17:0, C24:0, t9,10,11,16-18:1, c9t11-18:2, C18:2n-6, C20:4n-6, 20:5n-3, 22:5n-3, and 22:6n-3 in the muscle increased due to the addition of Acacia in the diet (P ≤ 0.05), with the highest muscle concentrations caused by the addition of 10 to 30 g Acacia. c9-18:1 and t16-18:1 reduced linearly. ƩSFA, ƩBI, Ʃcis- and ƩMUFA, Ʃn-3, Ʃn-6, and ƩPUFA (P ≤ 0.05) quadratically increased at higher concentrations of addition of Acacia, above 30 g/kg DM. It is recommended to include Acacia mearnsii extract up to 30 g/kg total DM in diets for young bulls as it improves CLA, PUFA and TI and reduces lipid oxidation. Acacia mearnsii extract as source of CT at 50 g/kg DM negatively impacted the young bulls performance.
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Affiliation(s)
- Fernanda M Dos Santos
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - Leilson R Bezerra
- Federal University of Campina Grande, Animal Science Department, Universitária Av., Jatobá, 58708110 Patos, Paraiba, Brazil
| | - Jusaline F Vieira
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - Polyana D R Marcelino
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - Analivia M Barbosa
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - José M Pereira Filho
- Federal University of Campina Grande, Animal Science Department, Universitária Av., Jatobá, 58708110 Patos, Paraiba, Brazil
| | - Jose A Arce-Cordero
- University of Costa Rica, Animal Sciences Department, San Jose 115012060, Costa Rica
| | - Claudio Vaz Di M Ribeiro
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - Thadeu M Silva
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil
| | - Ronaldo L Oliveira
- Federal University of Bahia, Animal Science Department, 500 Adhemar de Barros Ave, Ondina, 40170110 Salvador, Bahia, Brazil.
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Mushunje LH, Marandure T, Chikwanha OC, Bennett J, Hawkins HJ, Palmer AR, Wu L, M C M, Mapiye C. Supplementation of Acacia dealbata versus Acacia mearnsii leaf-meal has potential to maintain growth performance of lambs grazing low-quality communal rangelands in South Africa. Trop Anim Health Prod 2024; 56:152. [PMID: 38722369 PMCID: PMC11082017 DOI: 10.1007/s11250-024-04004-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024]
Abstract
Supplementing livestock grazing communal rangelands with leaf-meals from Acacia trees, which are currently considered as problematic invasive alien plants globally, may be a sustainable way of exploiting their desirable nutritional and anthelmintic properties. The current study evaluated worm burdens and growth performance of lambs grazing low-quality communal rangelands supplemented with leaf-meals prepared from the invasive alien plant species; Acacia mearnsii or A. dealbata. Forty, three-month-old ewe lambs weighing an average of 18.9 ± 0.60 kg were randomly allocated to four supplementary diets: (1) rangeland hay only (control), (2) commercial protein supplement plus rangeland hay, (3) A. mearnsii leaf-meal plus rangeland hay and (4) A. dealbata leaf-meal plus rangeland hay. All the supplementary diets were formulated to meet the lambs' minimum maintenance requirements for protein. All the lambs were grazed on communal rangelands daily from 0800 to 1400 after which they were penned to allow them access to their respective supplementary diets until 08:00 the following morning. The respective supplementary diets were offered at the rate of 400 g ewe- 1 day- 1 for 60 days. Lambs fed the commercial protein supplement had the highest dry matter intake followed by those fed the Acacia leaf-meals and the control diet, respectively (P ≤ 0.05). Relative to the other supplementary diets, lambs fed the commercial protein supplement and A. dealbata leaf-meal had higher (P ≤ 0.05) final body weight and average daily gains. Dietary supplementation did not affect lamb faecal worm egg counts over the study period (P > 0.05). There was no association between supplementary diets and lamb FAMACHA© scores (P > 0.05). It was concluded that supplementation of Acacia dealbata versus Acacia mearnsii has the potential to emulate commercial protein in maintaining growth performance of lambs grazing communal rangelands in the dry season.
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Affiliation(s)
- L H Mushunje
- Department of Animal Sciences, Stellenbosch University, P. Bag X1, Matieland, 7602, South Africa
| | - T Marandure
- Centre for Agroecology, Water and Resilience (CAWR), Coventry University, Wolston Lane, Ryton Gardens, Coventry, CV8 3LG, UK
- Department of Energy and Technology, Swedish University of Agricultural Sciences, Box 7032, Uppsala, SE-75007, Sweden
| | - O C Chikwanha
- Department of Animal Sciences, Stellenbosch University, P. Bag X1, Matieland, 7602, South Africa
| | - J Bennett
- Centre for Agroecology, Water and Resilience (CAWR), Coventry University, Wolston Lane, Ryton Gardens, Coventry, CV8 3LG, UK
| | - H J Hawkins
- Conservation South Africa, Forrest House, Belmont Park, Rondebosch, 7700, South Africa
- Department of Biological Sciences, University of Cape Town, Private Bag X1, Rondebosch, 7701, South Africa
| | - A R Palmer
- Institute for Water Research, Rhodes University, PO Box 94, Makhanda, 6140, South Africa
| | - L Wu
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Marufu M C
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, 0110, South Africa
| | - C Mapiye
- Department of Animal Sciences, Stellenbosch University, P. Bag X1, Matieland, 7602, South Africa.
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da Silva Aguiar F, Bezerra LR, Cordão MA, Cavalcante ITR, de Oliveira JPF, do Nascimento RR, de Souza BB, Oliveira RL, Pereira ES, Filho JMP. Effects of Increasing Levels of Total Tannins on Intake, Digestibility, and Balance of Nitrogen, Water, and Energy in Hair Lambs. Animals (Basel) 2023; 13:2497. [PMID: 37570305 PMCID: PMC10416999 DOI: 10.3390/ani13152497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/21/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
This study aims to evaluate the effects of increasing tannin levels from Mimosa tenuiflora hay on the intake, digestibility, and balance of nitrogen (N), water, and energy in hair lambs. Thirty-two Santa Ines lambs, at an average age of 150 days and body weight of 26.75 ± 2.29 kg, were randomly assigned to four treatments in a completely randomized design. The treatments consisted of four diets: a control diet, tannin-free, and three diets with increasing levels of total tannin, 26.2, 52.4, and 78.6 g tannin/kg dry matter (DM). Including the total tannins in the lambs' diet led to a quadratic increase in the intake of nutrients, N-retention (g/day), water intake, water absorption and retention, energy intake, and energy excretion in feces and gases. However, the digestibility of crude protein, neutral and acid detergent fibers, and total carbohydrates decreased. It was observed that there is a correlation between the variable nutrient digestibility and N-ingested and the N-absorbed, N-urinary, and N-retained. However, the N-excreted in feces did not correlate with any of the variables studied. It is recommended to include 33 g/kg DM of total natural tannins from Mimosa tenuiflora hay in the diet of hair lambs, as it improves intake, energy balance, dietary N, and body water composition while reducing the excretion of N-urinary and gas emissions to the environment.
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Affiliation(s)
- Fabrício da Silva Aguiar
- Graduate Program in Animal Science and Health, Federal University of Campina Grande, Patos 58708110, PB, Brazil; (F.d.S.A.); (R.R.d.N.); (B.B.d.S.)
| | - Leilson Rocha Bezerra
- Graduate Program in Animal Science and Health, Federal University of Campina Grande, Patos 58708110, PB, Brazil; (F.d.S.A.); (R.R.d.N.); (B.B.d.S.)
| | - Maiza Araújo Cordão
- Animal Science Departament, Faculdades Nova Esperança-FACENE, João Pessoa 58067698, PB, Brazil;
| | | | | | - Romilda Rodrigues do Nascimento
- Graduate Program in Animal Science and Health, Federal University of Campina Grande, Patos 58708110, PB, Brazil; (F.d.S.A.); (R.R.d.N.); (B.B.d.S.)
| | - Bonifácio Benício de Souza
- Graduate Program in Animal Science and Health, Federal University of Campina Grande, Patos 58708110, PB, Brazil; (F.d.S.A.); (R.R.d.N.); (B.B.d.S.)
| | - Ronaldo Lopes Oliveira
- Department of Animal Science, Federal University of Bahia, Salvador 40170115, BA, Brazil;
| | - Elzania Sales Pereira
- Department of Animal Science, Federal University of Ceara, 2977, Mister Hull Avenue, Fortaleza 60356000, CE, Brazil;
| | - José Morais Pereira Filho
- Graduate Program in Animal Science and Health, Federal University of Campina Grande, Patos 58708110, PB, Brazil; (F.d.S.A.); (R.R.d.N.); (B.B.d.S.)
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Uushona T, Chikwanha OC, Katiyatiya CLF, Strydom PE, Mapiye C. Fatty acid and oxidative shelf-life profiles of meat from lambs fed finisher diets containing Acacia mearnsii leaf-meal. Meat Sci 2023; 201:109190. [PMID: 37060878 DOI: 10.1016/j.meatsci.2023.109190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/17/2023]
Abstract
Five diets containing Acacia mearnsii leaf-meal (AMLM; 0, 50, 100, 150 and 200 g/kg DM) substituted for Triticum aestivum bran were fed to lambs for 42 days. The effect of diet and retail display period on meat fatty acid (FA) composition (day 1); colour, antioxidant activity, myoglobin and lipid oxidation (day 1, 3, 5, 7 and 9); protein oxidation (1, 3 and 7 d) and instrumental tenderness (day 1, 5 and 10) were evaluated. Dietary AMLM linearly decreased (P ≤ 0.05) individual (14:0, 16:0, 18:0) and total saturated FA and increased (P ≤ 0.05) trans(t)-monounsaturated FA (MUFA) mainly t10/t11-18:1, individual and total conjugated linoleic acids, n-3 and n-6 polyunsaturated FA (PUFA) contents. The contents of cis(c)-MUFA, mainly c9-18:1, exhibited a quadratic response reaching a minimum at 50 g/kg AMLM (P ≤ 0.05). Meat antioxidant on day 9 was higher (P ≤ 0.05) for diets containing ≥100 g/kg DM AMLM compared to the other diet × retail display period interactions. Relative to the other interactions, meat redness values were lowest on day 7 and 9 for AMLM diets containing ≥150 g/kg DM (P ≤ 0.05). Dietary addition of AMLM increased (P ≤ 0.05) meat lightness and oxymyoglobin, and reduced (P ≤ 0.05) TBARS and instrumental tenderness values. However, oxymyoglobin values declined (P ≤ 0.05) over the retail display period, while lightness, metmyoglobin, TBARS and carbonyls increased (P ≤ 0.05). Results indicate that AMLM up to 200 g/kg DM in lamb finisher diets, improves meat fatty acid composition, tenderness, and lipid shelf-life.
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Affiliation(s)
- Tulimo Uushona
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa; Department of Animal Production, Agribusiness and Economics, Faculty of Agriculture, Engineering and Natural Sciences, University of Namibia, Private Bag 13188, Windhoek, Namibia
| | - Obert C Chikwanha
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Chenaimoyo L F Katiyatiya
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Phillip E Strydom
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
| | - Cletos Mapiye
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
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A Short-Term Supplementation with a Polyphenol-Rich Extract from Radiata Pine Bark Improves Fatty Acid Profiles in Finishing Lambs. Animals (Basel) 2023; 13:ani13020188. [PMID: 36670728 PMCID: PMC9854448 DOI: 10.3390/ani13020188] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/20/2022] [Accepted: 12/30/2022] [Indexed: 01/06/2023] Open
Abstract
The aim of this study was to evaluate the effects of a short-term supplementation with a polyphenol-rich extract from radiata pine bark (PBE) on animal performance, blood parameters, and fatty acid (FA) profiles in finishing lambs. Twenty-seven Suffolk lambs (4 months old) fed a finishing diet were randomly assigned to one of the following treatments: diet without PBE or diet supplemented with PBE on a 1 or 2% dry matter (DM) basis, for 35 d (14 d adaptation and 21 d of experimental period). Data were compared using Tukey's test and orthogonal and polynomial contrasts. The results indicated that the supplementation with PBE increased (p = 0.008) relative growth rate (RGR) and improved (p = 0.003) protein conversion (CPC), whereas weight gain, carcass characteristic, and blood parameters were unaffected (p ≥ 0.106). Total mono- and polyunsaturated FAs, conjugated linoleic acid (CLA), and vaccenic and oleic acids were linearly increased (p ≤ 0.016) by PBE supplementation. In contrast, total saturated FAs (ΣSFA), Σn-6/Σn-3 ratio, atherogenicity index (AI), thrombogenic index (TI), and the proportion of elaidic acid were linearly decreased (p ≤ 0.018). In conclusion, the supplementation with 1 or 2% DM of PBE improves subcutaneous FA profiles by increasing CLA and reducing ΣSFA, Σn-6/Σn-3 ratio, AI, and TI. Additionally, PBE supplementation has the potential to improve RGR and CPC, with unaffected intake, growth performance, blood parameters, or carcass characteristics.
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Production and meat quality attributes of lambs fed varying levels of Acacia mearnsii leaf-meal as replacement for Triticum aestivum bran. Meat Sci 2022; 196:109042. [DOI: 10.1016/j.meatsci.2022.109042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 10/19/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022]
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Mercan L, Cam MA, Olfaz M, Kirikci K, Tufekci H, Kilic U. Fatty acid profile and sensory properties of lamb meat from males of five indigenous breeds. Arch Anim Breed 2022; 65:341-352. [DOI: 10.5194/aab-65-341-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/23/2022] [Indexed: 11/11/2022] Open
Abstract
Abstract. The objective of this study was to determine meat quality
characteristics, fatty acid profiles, and sensory characteristics of 50
single-birth male lambs from five breeds: Artlı (n=10), Çepni (n=10), Hemşin (n=10), Karayaka (n=10), and Of (n=10). At the
beginning of the experiment, the average age and weight of the lambs were
120 ± 5 d and 30.7 ± 0.68 kg respectively. After 60 d
of intensive fattening, the average live weight before slaughter was 40.96 kg ± 0.76 kg. All evaluations were performed on samples from the longissimus thoracis et lumborum (LTL) muscle. There was no difference between breeds in terms of the pH values
of the hot carcasses, whereas the cold carcass pH values were higher (P<0.001) in
Hemşin animals than in the other breeds. Meat chemical properties (such as organic matter;
dry matter; and fat, measured as the ether extract), physical properties (such as cooking
loss; drip loss; and water-holding capacity, WHC), and instrumental values (such
as colour, L* and b* values, chewiness, hardness, and resilience) were
significantly affected by breed differences. Additionally, the differences
between breeds were found to be significant in terms of the fatty acid
composition and the evaluation of organoleptic properties, such as sensory
characteristics, flavour, and juiciness of cooked (boiled or roasted) meat.
The results show that lamb meat's physical, chemical, and sensory properties
vary by breed. The differences found in the composition and presence of meat
fatty acids between and within breeds can be used as a source of variation
for future genetic improvement strategies.
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