Effects of Pasture Inclusion of Mimosa on Growth by Sheep and Goats Co-Grazing Grass/Forb Pastures

Animut, Getachew; Goetsch, A.L.; Aiken, Glen E.; Puchała, R.; Detweiler, G.; Krehbiel, C. R.; Merkel, R.C.; Sahlu, T.; Dawson, L.J.

doi:10.1080/09712119.2007.9706619

Cited by 13 publications

(6 citation statements)

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“…The total daylight grazing, ruminating, and idling times for sheep and goats on dry grassland plant communities were similar and corresponded more or less to activity times recorded on other types of pastures (Kronberg and Malechek, 1997;Animut et al, 2005aAnimut et al, , 2007. No difference was found in activity bout patterns between sheep and goats, although sheep with a higher portion of grass and forbs in their diet (Hejcmanová, unpublished data) could have longer grazing bouts with a lower rate during the day in contrast to browse foraging patterns assuming shorter and more frequent bouts (Hofmann, 1989).…”

Section: Discussionmentioning

confidence: 95%

“…Diurnal patterns in time spent grazing or on other activities were particularly related to seasonal dynamics of forage availability and quality in tropical environments (Kronberg and Malechek, 1997;Ouédraogo-Koné et al, 2006;Sanon et al, 2007) or to different management systems, either on highly productive ryegrass/white clover swards (Penning et al, 1997) or on grass/forb pastures at different stocking rates (Animut et al, 2005a) and with or without food supplement (Animut et al, 2007). Complex behaviour of co-grazing sheep and goats in conservation grazing systems that are not focused on an outcome for animal production has not been investigated.…”

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confidence: 99%

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Activity time budget patterns of sheep and goats co-grazing on semi-natural species-rich dry grassland

Pokorná¹,

Hejcmanová²,

Hejcman³

et al. 2013

CZECH J ANIM SCI

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Activity time budget patterns and grazing response to sward and environmental conditions were investigated for paddocks of sheep and goats co-grazing for conservation purposes on a semi-natural speciesrich dry grassland community endangered by shrub and tall perennial plant encroachment in a protected nature reserve in South Moravia (Czech Republic). Grazing was conducted by a rotational stocking system for 14 weeks in late grazing season in 2008 with 60 dry ewes and 20 goats. Twelve ewes and four goats were observed; grazing, ruminating, idling and other activities (salt licking, social interactions, walking), along with topographical position in the paddock were recorded at 5-minute intervals within 14 hours of daylight. Sheep and goats did not differ in their principal activity time budgets, such as the average total daylight time spent grazing (sheep: 8.57 h, goats: 8.59 h), ruminating (sheep: 1.42 h, goats: 1.44 h), or idling (sheep: 3.23 h, goats: 3.18 h), the duration of bouts of each activity, or the number of bouts of grazing and ruminating. There was no pattern in activity time budgets indicating dynamics in progressing season, nor was there a response to daily average temperature or to paddock size. Sheep and goats showed similar responses to groundcover of particular plant functional types. The animals showed a positive trend in response of total daylight grazing time to grass available biomass and a negative response of total daylight grazing time to herbaceous biomass for both sheep and goats. The total daylight grazing time was independent of availability of woody plants. Goats devoted more time (1.51 h) to other activities than sheep (1.34 h), especially to social interactions and salt licking. On the other hand, sheep spent proportionally more time walking. Both sheep and goats showed similar patterns in spatial use of paddocks on hill slopes, spending the most time in the middle part and the least time in the lower part of paddocks.

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Section: Discussionmentioning

confidence: 95%

mentioning

confidence: 99%

Activity time budget patterns of sheep and goats co-grazing on semi-natural species-rich dry grassland

Pokorná¹,

Hejcmanová²,

Hejcman³

et al. 2013

CZECH J ANIM SCI

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“…In contrast, Burner et al (2008) reported that A. julibrissin leaves were ''highly digestible''. A reported lack of response in animal performance from addition of A. julibrissin to an alley cropping system (Animut et al 2007) was likely associated with rapid depletion of A. julibrissin forage early in each grazing cycle rather than a reflection of the nutritive value of A. julibrissin. Secondary metabolic compounds, which serve as defense mechanisms against herbivory and distinct anti-quality characteristics of forage of many woody legumes, have not been a problem with A. julibrissin.…”

Section: Discussionmentioning

confidence: 97%

Establishment and regrowth responses of Albizia julibrissin on Louisiana USA coastal plain soils

Pitman

2008

Agroforest Syst

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The tree legume Albizia julibrissin Durazz. has potential as a forage plant to overcome forage quality limitations to animal performance on warm-season grass pastures in the southeastern USA. Hardseededness and slow establishment are limitations of this legume, while responses to defoliation have not been fully assessed. Germination, establishment, and response to defoliation were evaluated on a Coastal Plain soil in Louisiana, USA. Germination was limited only by hardseededness with no additional dormancy mechanism involved. Dry heat at 80°C enhanced germination with duration of exposure from 5 to 10 min providing a range in immediate and delayed germination responses. Under adversely dry conditions, establishment was not affected by initial seeding rate from 2.5 to 10 kg/ha. Results from repeated clippings suggest that survival of defoliated plants (R 2 = 0.28, P = 0.08), but not regrowth productivity (P [ 0.10), was affected by height of defoliation. Lifespan of plants cut at a 10 cm stubble height averaged 641 days, while those cut at 50 cm and 1 m averaged 935 days. Leaf crude protein of 25.9-28.3% was not affected by regrowth age of 44-93 days or by weather conditions. Forage nutritive value of stem regrowth was substantially less than that of leaves and was influenced by age and environment. Although defoliation management will be more critical for stand survival than currently practiced with sod-forming grasses in the region, nutritive value of A. julibrissin leaf regrowth provides a substantial opportunity to enhance animal productivity in the southeastern USA.

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“…However, the SB treatment in the present experiments provided daily consumption of supplemental nutrients. In previous experiments with sequential access of kids and lambs to 25% of these supplement pastures with mimosa every 1Á2 wk, all available mimosa leaves were consumed within the first few days (Animut et al 2007;Goetsch et al 2007;Yiakoulaki et al 2007). Thus, it was felt that an unreasonably low stocking rate or very short daily periods of access would be necessary to maintain availability of mimosa tree leaves throughout the experiments.…”

Section: Methodsmentioning

confidence: 99%

Supplements of lactating meat goat does grazing grass/forb pastures

Goetsch

Detweiler

Wang

et al. 2013

Journal of Applied Animal Research

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Lactating Boer does grazing grass/forb pastures were used in a 16-wk study starting 22 days after birth. Treatments were no supplementation (CO), access to a 20% crude protein supplement block (SB), and placement in a supplement pasture with mimosa (Albizia julibrissin) trees for 6 h 1 day/wk (1X) or twice weekly for 3 h/day (2X). Available forage dry matter in nonsupplement pastures ranged between 2423 and 3477 kg/ha. Treatment did not affect doe average daily gain (ADG), although kid ADG in the first 12 wk differed (PB0.05) between type of supplement and frequency of supplement pasture access (121, 111, 120, and 134 g for CO, SB, 1X, and 2X, respectively). Lactating Spanish does were used in a 12-wk study starting 66 days after kidding. The same CO and SB treatments were employed, but access to supplement pastures was for 24 h 1 day/wk (1X) or 2 days for 6 h/day (2X). Forage dry matter ranged only from 750 to 1530 kg/ha; thus, 0.6 kg/day (as feed) per doe of grass hay was fed after 4 wk. Kid ADG in wk 1Á8 was not affected by treatment. Doe ADG was affected by supplementation (P B0.05) and supplement type (PB0.09) ((44, (33, (23, and (12 g for CO, SB, 1X, and 2X, respectively). In conclusion, the use of SB was not beneficial, and infrequent access to supplement pastures had relatively small effects on ADG, perhaps because forage availability and nutritive value were not severely limiting.

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Effects of Pasture Inclusion of Mimosa on Growth by Sheep and Goats Co-Grazing Grass/Forb Pastures

Abstract: Animut, G., Goetsch, A.L., Aiken, G.E., Puchala, R., Detweiler, G., Krehbiel, C.R., Merkel, R.C., Sahlu

Cited by 13 publications

References 11 publications

Activity time budget patterns of sheep and goats co-grazing on semi-natural species-rich dry grassland

Activity time budget patterns of sheep and goats co-grazing on semi-natural species-rich dry grassland

Establishment and regrowth responses of Albizia julibrissin on Louisiana USA coastal plain soils

Supplements of lactating meat goat does grazing grass/forb pastures

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