Performance, rumen fermentation, and gastrointestinal microflora of lambs fed pelleted or unpelleted total mixed ration

Zhang, C.; Li, M.M.; Al-Marashdeh, Omar; Gan, Liping; Zhang, G.G.

doi:10.1016/j.anifeedsci.2019.05.003

Cited by 34 publications

(36 citation statements)

References 25 publications

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“…The ADG of goats was 23% higher when they were fed pelleted as compared to conventional TMR rations mainly due to greater DMI. Similar observations were documented by Zhang et al [ 9 ] in lambs. Irrespective of the PF of diet, goats fed 15% WS TMRs had 21% greater ADG than the 25% WS TMR-fed goats.…”

Section: Discussionsupporting

confidence: 92%

“…As expected, the DMI was 21.2% higher in PTMR as compared to goats fed on CTMR. A higher DMI of pelleted diet is in line with past studies [ 8 , 9 ]. This higher DMI of PTMR can be attributed to the smaller particle size of ground hay leading to a greater passage rate, a lesser gut filling effect, and a delay in satiety signal [ 8 ].…”

Section: Discussionsupporting

confidence: 92%

“…Recent developments in feeding processing have suggested that straw sources can be ground and successfully pelleted as a TMR. Straw-based pelleted TMR is an innovative technology that minimizes the issues related to handling, storage, and transportation of bulky straws [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

“…The particle size and straw concentration in the fattening rations can influence the physical effective NDF (peNDF) contents of the diet, which has a direct impact on chewing activity, buffering capacity, and welfare of the animals [ 11 ]. Most of the studies advocating the use of PTMR have been carried out on lambs using straw finely ground at 2 mm [ 10 ] and 3 mm [ 9 ]. The fine grinding of straw sources at 2 or 3 mm particle size is laborious and time consuming and increases the cost of grinding, which could be a potential limitation to its adoption by the feed manufacturing industry.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Physical Form and Level of Wheat Straw Inclusion on Growth Performance and Blood Metabolites of Fattening Goat

Malik

Rashid

Yousaf

et al. 2020

Animals

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The inclusion of straw in high concentrate total mixed rations (TMRs) of male fattening goats can provide the necessary fiber to prevent ruminal acidosis and maintain growth. The objective of this study was to evaluate the effects of the physical form (PF) of the diet (pelleted vs. conventional) and the straw level (SL) of wheat straw (WS) (15% versus 25%) in total mixed rations on feed intake, growth, total tract digestibility, and blood metabolites of fattening goats. Thirty-two male Beetal goats (27.4 ± 0.28 kg body weight (BW)) were divided randomly into the following four dietary treatments with a 2 × 2 factorial arrangement (n = 8/treatment): (1) CTMR15 (conventional TMR containing 15% WS), (2) CTMR25 (conventional TMR containing 25% WS), (3) PTMR15 (pelleted TMR containing 15% WS), and (4) PTMR25 (pelleted TMR containing 25% WS). Both conventional and pelleted 15% WS TMR had 33.7% neutral detergent fiber (NDF) and 19.3% acid detergent fiber (ADF), whereas in 25% WS TMR the NDF and ADF contents were 38.7% and 22.9%, respectively. The experimental diets were formulated to be iso-nitrogenous (crude protein (CP) = 15%). The dry matter intake (DMI) (1.265 vs. 1.044 kg/day) and average daily gain (ADG) (0.176 vs. 0.143 kg/day) were higher (p < 0.05) in pelleted vs. conventional TMR-fed goats. Irrespective of the PF of the TMR, the 15% WS-fed animals had greater (p < 0.05) DMI (1.206 vs. 1.102 kg/day) and ADG (0.172 vs. 0.144 kg) when compared to those fed on 25% WS diets. Furthermore, feed-to-gain ratio (F:G) was higher (p < 0.05) in the 25% WS-fed goats when compared with the 15% WS-fed animals. Digestibility coefficients, nitrogen balancing, hepatic enzymes, blood metabolites, and hematological parameters were similar (p > 0.05) across all treatments. In conclusion, feeding pelleted TMR with WS improved DMI and growth performance as compared to those fed conventional TMR, and 15% WS performed better than 25% WS without exerting any adverse effects on blood metabolites, liver enzymes, or hematological parameters.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Physical Form and Level of Wheat Straw Inclusion on Growth Performance and Blood Metabolites of Fattening Goat

Malik

Rashid

Yousaf

et al. 2020

Animals

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“…This finding was in accordance with a study conducted by Al-Arif et al (2017); Li et al (2003); Xu et al (2014). Zhang et al (2019) reported that rumen pH is highly dependent on feed fermentation and its physical form. Pelleted feed was proved to be able to maintain acid base status without causing acidosis in the rumen.…”

Section: Discussionsupporting

confidence: 93%

In vitro Rumen Fermentability of the Pelleted Feed Containing Water Spinach (Ipomoea aquatica)

Hasanah¹,

Pangestu²,

Agus³

et al. 2020

American Journal of Animal and Veterinary Sciences

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An in vitro technique based on two stages of batch culture was used to clarify fermentability and digestibility of pellet feed containing water spinach (Ipomoea aquatica). The portion of Pennisetum purpureum in the pellet feed was substituted with Ipomoea aquatica at respective levels of 0% (T1), 20% (T2), 40% (T3) and 60% (T4). The treatments were allocated in a completely randomized design with 5 replicates of each. The results showed that the substitution of water spinach in pellet did not effect on pH, ammonia (NH 3), enzyme protein and microbial protein. Volatile Fatty Acids (VFA), acetate (C2), propionate (C3), butyrate (C4), methane (CH 4) and carbon dioxide (CO 2) were decreased (p<0.05) by water spinach substitution level in the treatments. The ratios of C2: C3 were increased (P<0.05) in both of T3 and T4. The increasing water spinach substitution level enhanced (p<0.05) dry matter digestibility and organic matter digestibility but crude fiber digestibility was unaffected. In conclusion, substitution of Pennisetum purpureum with Ipomoea aquatica at the level of 20% may be the best fiber source for ruminant diet.

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Replacing ground Rhodes grass hay with soyhulls in the pelleted diet: effects on ingestive behavior, nutrient digestibility, blood metabolites, growth performance, and economic viability of intensive fattening Lohi lambs

Khan

Rashid

Yousaf

et al. 2023

Trop Anim Health Prod

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Performance, rumen fermentation, and gastrointestinal microflora of lambs fed pelleted or unpelleted total mixed ration

Cited by 34 publications

References 25 publications

Effect of Physical Form and Level of Wheat Straw Inclusion on Growth Performance and Blood Metabolites of Fattening Goat

Effect of Physical Form and Level of Wheat Straw Inclusion on Growth Performance and Blood Metabolites of Fattening Goat

In vitro Rumen Fermentability of the Pelleted Feed Containing Water Spinach (Ipomoea aquatica)

Replacing ground Rhodes grass hay with soyhulls in the pelleted diet: effects on ingestive behavior, nutrient digestibility, blood metabolites, growth performance, and economic viability of intensive fattening Lohi lambs

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