Supplementation of macro algae (Azolla pinnata) in a finishing ration alters feed efficiency, blood parameters, carcass traits and meat sensory properties in lambs

Vahedi, Vahid; Hedayat-Evrigh, Nemat; Holman, Benjamin W.B.; Ponnampalam, Eric N.

doi:10.1016/j.smallrumres.2021.106498

Cited by 9 publications

(13 citation statements)

References 18 publications

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“…The important applications of microalgae as growth promoter were due to their high contents of lipid and carotenoids (Gui et al, 2021). Moreover, Azolla pinnata (a macro algae) supplementation at 0, 10 and 20% (DM basis) levels to lambs for 90 days on growth performance, carcass and meat traits were explored (Vahedi et al, 2021). The results indicated that feed intake tended to be insignificantly lower in Azolla supplemented lambs.…”

Section: Feed Efficiency and Growth Performancementioning

confidence: 99%

“…In addition, lipids form membrane vesicles or lipid droplets (LDs) that are involved in the transport of proteins, hormones or fat-soluble vitamins (A, D, E and K) in cells and extracellularly, for example in the blood stream (Vachier et al, 2002). Furthermore, Azolla pinnata (a macro algae) supplementation at 10 and 20 % (DM basis) levels to lambs for 90 days lowered creatinine and urea concentrations than control ones (Vahedi et al, 2021).…”

Section: Blood Biochemistrymentioning

confidence: 99%

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Effects of Dietary Microalgae Supplementation on Mammals’ Production and Health

Al-Mufarji¹,

Mohammed²,

Al-Masruri³

et al. 2022

AAVS

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Section: Feed Efficiency and Growth Performancementioning

confidence: 99%

Section: Blood Biochemistrymentioning

confidence: 99%

Effects of Dietary Microalgae Supplementation on Mammals’ Production and Health

Al-Mufarji¹,

Mohammed²,

Al-Masruri³

et al. 2022

AAVS

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“…However, increased feed cost is a major limiting factor in the feedlot system ( 11 ), accounting for 65%−70% of the total cost of small ruminant production ( 12 ). As such, nutritional strategies for increasing animal growth performance using cheap feeds without compromising carcass nutrient value and eating quality are essential elements for a profitable livestock production enterprise to consider ( 13 ). Hence, there is a need for concerted research efforts in exploring diverse dietary fortification options.…”

Section: Introductionmentioning

confidence: 99%

Fortification of diets with omega-3 long-chain polyunsaturated fatty acids enhances feedlot performance, intramuscular fat content, fat melting point, and carcass characteristics of Tattykeel Australian White MARGRA lambs

et al. 2022

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Meat eating quality indices such as intramuscular fat content (IMF) and fat melting point (FMP) of the Longissimus thoracis et lumborum muscle and the feedlot performance, carcass traits, and commercial wholesale cuts of lot-fed Tattykeel Australian White (TAW) MARGRA lambs as a result of dietary fortification of the diet with omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA) were evaluated. A total of 75 TAW MARGRA lambs at 6 months of age with an average liveweight of 30 ± 1.2 kg were used. The lambs were randomly allocated to the following three dietary treatments of 25 lambs each in a 47-day feeding trial using a completely randomized experimental design: (1) control diet of hay plus pellets without omega-3 oil, (2) hay plus commercial whole grain pellets (MSM) without omega-3 oil, and (3) hay plus pellets fortified with omega-3 oil. It was hypothesized that dietary supplementation with omega-3 fortified pellets will improve feedlot performance, meat-eating quality indices of IMF, FMP, and carcass characteristics. Lot-fed lambs on the MSM whole grain had the highest feed intake of 1.69 kg/day, followed by the control at 1.57 kg/day and the lowest in the omega-3 diet at 1.01 kg/day (p = 0.0001). However, the omega-3 diet had the highest average daily gain of 230 g/head/day (p = 0.0001), indicating the greatest feed efficiency since it had the best growth response with minimal feed intake. Post-slaughter evaluation of the Longissimus thoracis et lumborum muscle revealed significant treatment variations in IMF (p = 0.0001), FMP (p = 0.0001), pH (p = 0.0380), and wholesale French rack primal cut (p = 0.0001). Strong correlations (p < 0.05) between liveweight, temperature, pH, FMP, and IMF were observed. Similarly, significant correlations between carcass characteristics of total saleable meat yield, lean trim, fat trims, bones, and leg shank were evident (p < 0.05). However, there were no treatment differences in the final liveweight, GR fat depth, hot standard carcass weight, or dressing percentage. The findings indicate that feedlot performance, meat-eating quality traits such as IMF and FMP, and commercial wholesale French rack cuts can be further improved during feedlot finishing of TAW MARGRA lambs through dietary supplementation with omega-3 oils, and hence the tested hypothesis of improved meat quality attributes is partially confirmed.

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“…The result may have been attributed to the nutritional content of the Azolla plant, which contains minerals, Omega 3 and 6 fatty acids, amino acids, and other nutrients. The feed efficiency of lambs was increased when Azolla pinnata was added to the feedlot diet [21]. Feed conversion efficiency (FCE) was increased by 15.7%, when dried azolla was substituted for the concentrate combination in the diet of heifers at a level of 5% [20].…”

Section:  mentioning

confidence: 99%

Replacing Soybean Meal with Azolla Plant as a Source of Protein on Performance of Iraqi Awassi Lambs

Abbas,

Mohanned

2023

IOP Conf. Ser.: Earth Environ. Sci.

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This study was executed in the animal field of the College of Agricultural Engineering Sciences at the University of Baghdad from November 15, 2022, to January 1, 2023. It was preceded by a 14-day trial period using 20 Awassi male lambs, whose ages ranged from 3.5 to 4 months. Moreover, starting with 18 to 19 kg. They were divided into four treatments at random: T1, which contained 6% soybeans and no azolla plant; T2, which contained 4% soybeans and 4% dry azolla plant; T3, which contained 2% soybeans and 8% dry azolla plant; and T4, which contained 12% dry azolla plant The results showed that there was a significant difference (p>0.05) in the daily and total weight gain as well as the digestion coefficient for some of the digested nutrients. Treatment T4 performed better than the other treatments in terms of increasing daily and total weight, while treatments T1 and T3 did not differ from each other The table of total nutrients digested and the field digestion coefficient did not change between the treatments T1 and 3T, which were better than treatment T2. There was no difference between treatment T1 and T3, which was superior to treatment T2, and there was a significant rise (P 0.05) for crude fiber and ether extract in treatment T4. The study found that adding 12% more Azolla plant to soybean meal resulted in the best weight growth and the highest digestibility of crude fiber and ether extract.

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Supplementation of macro algae (Azolla pinnata) in a finishing ration alters feed efficiency, blood parameters, carcass traits and meat sensory properties in lambs

Cited by 9 publications

References 18 publications

Effects of Dietary Microalgae Supplementation on Mammals’ Production and Health

Effects of Dietary Microalgae Supplementation on Mammals’ Production and Health

Fortification of diets with omega-3 long-chain polyunsaturated fatty acids enhances feedlot performance, intramuscular fat content, fat melting point, and carcass characteristics of Tattykeel Australian White MARGRA lambs

Replacing Soybean Meal with Azolla Plant as a Source of Protein on Performance of Iraqi Awassi Lambs

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