Performances de reproduction et de production laitière des chèvres Draa au Maroc

Boujenane, I.; Lichir, N.; Hazzab, Abdeldjebar

doi:10.19182/remvt.10102

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…Overall, the daily and total milk yields of the Beni Arouss goat, which is a doublepurpose breed (meat and milk), were lower than those of dairy goat breeds but close to those reported in the literature for local Beni Arouss and Draa goats [21,28]. The present results were nevertheless higher than the values reported by El Otmani et al [21] for the same breed and could be explained by higher dietary energy and protein proportions in this trial.…”

Section: Milk Production and Physicochemical Compositionsupporting

confidence: 75%

Effects of Sulla Flexuosa Hay as Alternative Feed Resource on Goat’s Milk Production and Quality

Boukrouh

Noutfia²,

Moula

et al. 2023

Animals

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Sulla flexuosa (Hedysarum flexuosum L.) is an endemic legume growing in some Mediterranean areas in rainfed and cold mountainous conditions. It could be used in goat diets as an alternative protein source instead of alfalfa to supplement forest rangeland. This study aimed to test the effects of incorporating Sulla flexuosa (SF) hay in the diet of Beni Arouss goats on their milk production and quality. The hay was introduced at two levels, i.e., 35 or 70% (SF70), on a DM basis; it partially or totally replaced the alfalfa hay of the control diet. Sulla flexuosa incorporation did not affect milk production or physicochemical composition. However, milk FA content varied in proportion to the percentage of SF incorporation. The SF70 diet was associated with increased milk levels in C18:1n-9, C18:2n-6, C18:3n-3, and C22:6n-3 and total monounsaturated, polyunsaturated, and n-3 fatty acids. As a consequence, atherogenic and thrombogenic indices were improved. Additionally, better antioxidant capacity was observed in SF70.

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Section: Milk Production and Physicochemical Compositionsupporting

confidence: 75%

Effects of Sulla Flexuosa Hay as Alternative Feed Resource on Goat’s Milk Production and Quality

Boukrouh

Noutfia²,

Moula

et al. 2023

Animals

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Effect of some non-genetic factors on milk yield and composition of Draa indigenous goats under an intensive system of three kiddings in 2 years

Ibnelbachyr

Boujenane

Chikhi

et al. 2015

Trop Anim Health Prod

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With 5 millions heads, goats occupy the second place after sheep in Morocco. The indigenous populations are generally raised for meat, except Draa goat that is raised as a dual purpose doe. The objective of this study was to assess milk yield and composition of Draa indigenous goat breed under an intensive system of three kiddings in 2 years and to evaluate the effects of non-genetic factors. Data were collected on 381 lactations between 2006 and 2012 and on 174 samples for milk composition between 2008 and 2010. The highest milk yield was recorded in does of 36-48 months old (84.3 ± 4.78), those suckling more than one kid (80.0 ± 3.39) and those kidding in spring (80.4 ± 3.60) and summer (79.9 ± 3.67). Except protein content, milk composition was not affected by age of does. Dry matter and fat content increased significantly with the lactation stage, protein content decreased from early to middle/late lactation, and lactose content was high in middle lactation. The highest dry matter and fat and lactose contents were obtained for summer kiddings, while the highest percent of protein was recorded for autumnal kiddings. It was concluded that under the three kiddings in 2-year system, Draa does produce enough milk with an interesting milk composition, indicating that this system may be used with success to improve farmers' income.

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Multivariate analysis for morphological traits of the Hamra goat population in two regions of Morocco

Hilal

Otmani²,

Chentouf³

et al. 2016

Anim. Genet. Resour.

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SummaryThe goal of this study was to characterize the Hamra goat population and to determine if Hamra goats of Beni Arouss and Rommani regions belong to the same population. Eleven morphometric traits of 157 Hamra animals (94 from Beni Arouss and 63 from Rommani) were used for this study. Overall, heart girth, body length, height at withers (HaW), height at rump (HS), chest depth (ChD), pelvis width (PW), chest width (CW), cannon circumference, head length (HeL), head width (HeW) and horn length (HL) of Hamra goats averaged 81.3, 61.5, 64.8, 65.3, 40.9, 19.3, 20.2, 9.67, 28.0, 26.3 and 23.4 cm, respectively. The effect of region was significant only on HaW, PW, HeL, HeW and HL, indicating certain homogeneity among goats of the two regions. Moreover, the inter region variance component ranged from 0 percent (absence of variability) for HS, CW, ChD and ChD to 18.5 percent for HeL, suggesting that the variability of body measurements between Beni Arouss and Rommani regions is very low. The factor analysis revealed four factors, which accounted for 73.5 percent of the total variance. The most discriminant variables between the two populations were HeL, HeW, PW and CW. The Mahalanobis distance between the two populations was 1.197, suggesting that there was genetic exchange between the two populations. The discriminant analysis showed that 80.9 percent of Rommani and 50.0 percent of Beni Arouss individuals were classified into their respective population. Results obtained will help in developing improvement and preservation strategies for the Hamra goat population.

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Performances de reproduction et de production laitière des chèvres Draa au Maroc

Cited by 3 publications

References 4 publications

Effects of Sulla Flexuosa Hay as Alternative Feed Resource on Goat’s Milk Production and Quality

Effects of Sulla Flexuosa Hay as Alternative Feed Resource on Goat’s Milk Production and Quality

Effect of some non-genetic factors on milk yield and composition of Draa indigenous goats under an intensive system of three kiddings in 2 years

Multivariate analysis for morphological traits of the Hamra goat population in two regions of Morocco

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