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Departement of Agricultural sciences
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Recent Publications
Factors Influencing the Productive and Reproductive Performance of Local Rabbit Strain in Algerian
Citation
M. MENNANI Achour, (2024-11-14), "Factors Influencing the Productive and Reproductive Performance of Local Rabbit Strain in Algerian", [international] ICVALS 2024: International Conference on Veterinary, Agriculture and Life Sciences , Antalya, Turquie
Statistical models based on morphometric traits for body weight prediction in four dog breeds raised in Algeria
Citation
M. MENNANI Achour, (2024-08-01), "Statistical models based on morphometric traits for body weight prediction in four dog breeds raised in Algeria", [national] Genetics and biodiversity journal , université de tlemcen
The first morphological study of the Sloughi dog breed in Algeria
Citation
M. MENNANI Achour, (2024-04-28), "The first morphological study of the Sloughi dog breed in Algeria", [national] South African Journal of Animal Science , African Journals Online (AJOL)
EFFECT OF DIETARY SOYBEAN OIL SUPPLEMENTATION ON THE PERFORMANCE OF BROILERS
Citation
M. MENNANI Achour, BOUCETTA Sami, , (2024-04-20), "EFFECT OF DIETARY SOYBEAN OIL SUPPLEMENTATION ON THE PERFORMANCE OF BROILERS", [national] 1st National Seminar on the Valorization of Natural and Resudual Plant BiomassSNVBNR-2024 , University of Biskra, Algeria
Reproduction mode and Strain effects on Rabbit Breeding Performances
was of 1.45 ± 0.51 in natural breeding with a fertility rate of 61%. The weight of the rabbits at weaning was higher in AI than in natural mating (587.25 ± 338.19 g vs. 575.0 ± 375.44 g, respectively). The results relating to the number of total born, born alive, weaned rabbits, the farrowing-mating interval and the farrowing-fertilizing mating interval in natural mode were respectively of (7.4 ± 3.12), (4.55 ± 3.12), (4.55 ± 3.12), (12.65 ± 2.30), (19.15 ± 3.58); and in AI: (6.90 ± 4.12), (5.75 ± 4 .12), (5.75 ± 4.12), (11.65 ± 2.05), (18.99 ± 3.2) (P>0.05). Furthermore, and regarding the strains, data revealed that the females did not have any significant effect on the variables studied. On the contrary, the male had a very highly significant effect on the number of mating per fertilizing mating (p = 0.000), while it had no impact on the other parameters (P>0.05). To conclude, the control and the management of reproduction is the key to success in rabbit breeding, thus the combination of rearing condition and genetic effects is the main tool for making rabbit farming successful.
Citation
M. MENNANI Achour, (2024-02-09), "Reproduction mode and Strain effects on Rabbit Breeding Performances", [national] VETERINARSKA STANICA , Croatian Veterinary Institute
Abstract The objective of our study was to evaluate the productive and reproductive performances of the rabbits of Algerian synthetic strain and to determine the influence of the factors (the mode of reproduction, the age of the mothers and the parity) o
The objective of our study was to evaluate the productive and reproductive performances of the rabbits of Algerian synthetic strain and to determine the influence of the factors (the mode of reproduction, the age of the mothers and the parity) on the number of total born rabbits, born alive and the number of weaned rabbits in a hutch of breeding of rabbits of Algerian synthetic strain. A follow-up of breeding was carried out on a total number of 52 rabbits of which 43 reproductive females inseminated naturally (27) or artificially (16) and 06 males for natural mating and 03 for artificial insemination. The herd is composed of rabbits of variable phenotype but of the same strain (different colors of the coat) of synthetic strain. We found that: The breeding method in rabbits had a non-significant effect on the reproductive performance as well as the productive performance (slaughter weight) of the rabbits. A slight superiority was observed in the lot conducted under artificial insemination (AI) compared to the one conducted under natural control. On the other hand, the reproduction mode had a significant effect on the number of weaned rabbits (P<0.05) with a remarkable superiority for the lot conducted under artificial insemination compared to the one conducted under natural control (LN). The weights of the rabbits at slaughter resulting from natural or artificial insemination are very close for both reproduction modes.
Citation
M. MENNANI Achour, (2022), "Abstract The objective of our study was to evaluate the productive and reproductive performances of the rabbits of Algerian synthetic strain and to determine the influence of the factors (the mode of reproduction, the age of the mothers and the parity) o", [international] Second International Conference on Basic Sciences and Technology (ICBAST) November 16-19, 2022 Antalya, Turkey , Turquie
effet du mode de saillie sur les paramètres de reproduction des brebis dans la région de Sétif(Algérie)
Citation
M. MENNANI Achour, MERGHEM Mounira, , (2022), "effet du mode de saillie sur les paramètres de reproduction des brebis dans la région de Sétif(Algérie)", [national] 2ème Séminaire National Sur La Filière Production Animale (2SNFPA) « Les parties prenantes du secteur production animale : caractéristiques, points critiques et potentialités ». Université de Tissemsilt Le 20/06/2022 , université de Tissemsilet
Etude de l’impact économique de l’incorporation des sous-produits agro-industriels dans l’aliment avicole : Cas des enveloppes et les tourteaux de graines de figue de barbarie
Au point de vue économique, le taux de substitution de 30%, amène un gain financier très appréciable de 1998 DA, 1929 DA et 1791 DA pour les phases démarrage, croissance et finition respectivement par quintal d’aliment produit.
Dans ce contexte, il serait intéressant de pouvoir déterminer le taux d’incorporation optimum de ces deux sous-produits dans l’alimentation avicole, en essayant de la maximiser pour atteindre les 100% de d’incorporation.
Citation
M. MENNANI Achour, Yasmine Arbouche, Rafik Arbouche, , (2022), "Etude de l’impact économique de l’incorporation des sous-produits agro-industriels dans l’aliment avicole : Cas des enveloppes et les tourteaux de graines de figue de barbarie", [national] 2ème Séminaire National Sur La Filière Production Animale (2SNFPA) « Les parties prenantes du secteur production animale : caractéristiques, points critiques et potentialités ». Université de Tissemsilt Le 20/06/2022 , université de Tissemsilet
CARACTERISATION MORPHOLOGIQUE DES OVINS DANS LA REGION DE SETIF (ALGERIE)
Citation
M. MENNANI Achour, MERGHEM Mounira, , (2022), "CARACTERISATION MORPHOLOGIQUE DES OVINS DANS LA REGION DE SETIF (ALGERIE)", [national] Premier Séminaire National sur l’Agriculture Durable et la Biodiversité (SNADB 2022) , SKIKDA, Algérie
ETUDE DES FACTEURS INFLUENÇANT LES PERFORMANCES PRODUCTIVES ET REPRODUCTIVES DANS UN ELEVAGE CUNICOLE DANS LA REGION DE SETIF
Citation
M. MENNANI Achour, (2022), "ETUDE DES FACTEURS INFLUENÇANT LES PERFORMANCES PRODUCTIVES ET REPRODUCTIVES DANS UN ELEVAGE CUNICOLE DANS LA REGION DE SETIF", [national] INTERNATIONAL SEMINAR ON VALORIZATION OF AGRONOMIC, ECOLOGICAL AND FOOD RESOURCES. OCTOBER 18, 19 AND 20, 2022 , SKIKDA, Algérie
Dehydrated husks and cake of prickly pear (Opuntia ficus-indica) processing for broiler feed: Effects on growth performance, carcass characteristics, and meat quality
Background and Aim: The potential solution is to use agro-industrial by-products as an unconventional source of raw materials for broiler feed. This study aims to determine the effects of substituting prickly pear (FB; Opuntia ficus-indica) husks for corn and FB seed cake for soybean meal on the production performance, slaughter characteristics, and chemical composition of broiler meat.
Materials and Methods: Two hundred day-old chicks of equal sex ratio (1:1) of Big Fast strain, weighing on average 37±2g, were randomly divided into four homogeneous groups of 50 subjects each. Each group was subdivided into 10 packs of five animals, which were banded and numbered. Rations with substitution rates of 0%, 10%, 20%, and 30% of corn and soybean meal by dehydrated husks and FB cake were randomly distributed among the groups.
Results: Average daily gains and body weights on 48 days were improved (p<0.05) in 10% and 20% groups, while the 30% group performed identically to the control. Cold carcass yield was optimal in 10% and 20% groups. The liver weight of the experimental groups decreased significantly (p<0.05), while their gizzard weight increased significantly (+24 points). The meat protein rate evolved proportionally to the substitution rate, whereas the fat rate depreciated by up to −1.08 points for the 30% group compared to the control.
Conclusion: Incorporating FB processing by-products into broiler feed at rates of 10% and 20% improves zootechnical performance, carcass yields, and the chemical composition of the meat.
Keywords: broiler feed, prickly pear processing, production cost.
Citation
M. MENNANI Achour, Imene Cherif, Rafik Arbouche, Yasmine Arbouche, Fodil Arbouche, , (2022), "Dehydrated husks and cake of prickly pear (Opuntia ficus-indica) processing for broiler feed: Effects on growth performance, carcass characteristics, and meat quality", [national] Veterinary World , Veterinary World
Morphological characterization of an Algerian Sighthound known as The Sloughi raised in the Wilaya of Tlemcen, Northwest of Algeria.
The "Sloughi" is a North African sighthound that the World Canine Organization recognizes as a Moroccan greyhound (breed standard n 188). The aim of this study is to compare the distribution of the body measurements of the Algerian sighthound by sex, sampling zones and body coat color. Sixteen morphometric variables were measured and six indices were estimated (format, massiveness, bone, head/neck, muzzle/head, withers/rump) in 30 adult unrelated animals (21 males and 9 females). The impact of sex on variables and indices was assessed using the t-test, while that of the sampling zones and that of the coat color using ANOVA. The mean values for withers height, height at rump, head
length, muzzle length, ears length, neck length, body length, tail length, muzzle circumference, head circumference,
neck circumference, chest circumference, waist circumference, thigh circumference, forearm circumference, wrist circumference were 71.85, 70.61, 25.24, 10.83, 13.16, 21.23, 68.44, 43.55, 21.50, 33.63, 41.27, 73.35, 48.73, 34.48, 14.67 and 10.81 cm, respectively. The results showed that there was no sexual dimorphism according to the phenotypic traits, the difference between the animals was only due to their body measurements. Males had more developed measurable traits than females, and the mean of Shannon’s diversity index for all variables was 0.99363.
Keywords: Body indices, Morphometric characterization, Sighthound dog, Sloughi.
Citation
M. MENNANI Achour, Haddam H.Y, Hamel W, Benhamadi M, Gaouar S.B.S, , (2021), "Morphological characterization of an Algerian Sighthound known as The Sloughi raised in the Wilaya of Tlemcen, Northwest of Algeria.", [national] Genetics and Biodiversity Journal , University of Tlemcen
Agro-industrial byproducts in rabbit food: Case of the complex of detoxified apricot kernel cake and dehydrated tomato pulp
Materials and Methods: A total of 120 white strain rabbits, weaned at 33 days, were randomly assigned to four groups of 30. The rabbits in each group were ringed, placed in cages at 6 rabbits/cage, and fed according to DAKM and DTP incorporation rates (0%, 30%, 40%, and 60%).
Results: The weights at 77 days were improved (p<0.05) with unchanged mean daily intakes. The vast majority of slaughter parameters and carcass characteristics improved. The chemical composition of the meat constituents improved significantly, with a 60% increase in the protein content of the batch (26.55% vs. 28.53%), 38% reduction in the total feed cost, and 40 DA saved for each kilogram of feed consumed per rabbit. The relative economic efficiency improved in proportion to the substitution rates of soybean meal by DAKM and alfalfa hay by DTP.
Conclusion: Substituting DAKM and DTP, as byproducts of agro-industrial processing, for up to 60% induced satisfactory results in rabbit fattening. Therefore, it would be more insightful to increase the incorporation rates to determine the optimal threshold.
Keywords: agro-industrial byproducts, apricot kernel cake, rabbit fattening, tomato pulp, zootechnical performances
Citation
M. MENNANI Achour, Yasmine Arbouche, Lamya Ouzzir, Rafik Arbouche, Fodil Arbouche, , (2021), "Agro-industrial byproducts in rabbit food: Case of the complex of detoxified apricot kernel cake and dehydrated tomato pulp", [national] Veterinary World , Veterinary World
Dehydrated tomato pulp in rabbit feed: effects of incorporation rate on growth performance, carcass yield, meat quality and economic efficiency
Citation
M. MENNANI Achour, Yasmine Arbouche, Rafik Arbouche, Fodil Arbouche, Lamia Ouzzir, , (2021), "Dehydrated tomato pulp in rabbit feed: effects of incorporation rate on growth performance, carcass yield, meat quality and economic efficiency", [national] Journal of Animal and Feed Sciences , Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Science
Phenotypic and morphometric characterization of the various strains of quail raised in Algeria
Since the absence of studies dealing with the genetic biodiversity and phenotypical description of different breeds of quails in Algeria, we have initialized this work in order to investigate and to contribute in a characterization of the quails in some states. A total of 206 adult quails, distributed in 09 regions in Algeria from which 11 morphometric measurements and 11 phenotypic characters were selected for this study. The measurements Lie (wing length), Lq (tail length), Lc (neck length), Dg (big finger), Dm (medium finger), Dp (small finger), Lt (total length), Lts (tarsus length), Ab (abdomen), Lgp (chest width), Lbe (beak length), W (weight). A multiple correspondence factorial analysis was performed on the phenotypic characteristics, and reveals two main component that constitute 19.61% and 13.41% of inertia, percentages
respectively related to the length of wing, of the tail, of neck, big finger, middle finger, little finger, the total length of abdomen, of the tarsal width, width of the chest, the length of the beak and weight. This analysis has made it possible to establish remarkable phenotypic differences which have implications to be taken into consideration in the characterization and conservation program of the species. We have found that the sex has no effect on the measurements parameters, except the weight. However, the effect pf the strain may have some differences on the morphometric measurements studied. Finally, it should be noted that the present work of morphometric characterization of high quail strains in Algeria deserves to be continued and developed in the future, based on the determination of zootechnical performances (productive and reproductive) of these strains, and also the preservation of this genetic heritage deemed important.
Key words: quail, morphometric measurements, phenotypic, strains, Algeria.
Citation
M. MENNANI Achour, (2020), "Phenotypic and morphometric characterization of the various strains of quail raised in Algeria", [national] Genetics and Biodiversity Journal , University of Tlemcen
Effects of Incorporating Cull Dates and Apricot Kernel Cake on Fattening Performances and Carcass Characteristics of Local Rabbits
The aim of this study is to determine the effects of incorporating the complex apricot kernel
cake and cull dates on the fattening performances of a “white population” breed of rabbits. In
total, 288 young rabbits of both sexes (1:1) aged 35 days were divided into 4 equal groups of
72 individuals, with 6 rabbits per cage, according to the rage of replacing corn by cull dates
and soya cake by apricot kernel cake (0%, 10%, 20% and 30%). The change in weight
between day 35 and day 77 was not significantly different between the different rates of
substitution. The average daily gain (ADG (35 to 77 d)) displayed a significant difference for
20% and 30% groups (+6%), an increase in meat proteins for the 10% group (+8.8%) and
30% group (+5.6 %) and a reduction in lipids for the 20% group (-19%). The financial gain
was €17.3 per hundredweight of food produced for the incorporation of 30% of the complex
of dates rebus and apricot kernel meal in substitution for the maize complex and soybean
meal
Citation
M. MENNANI Achour, Arbouche Yasmine, Arbouche Rafik, Montaigne Etienne, Arbouche Fodil, Arbouche Halima Saâdia, , (2019), "Effects of Incorporating Cull Dates and Apricot Kernel Cake on Fattening Performances and Carcass Characteristics of Local Rabbits", [national] PONTE , PONTE Editore
Effects of incorporating agro-industrial by-products into diet of New Zealand rabbits: Case of rebus of date and apricot kernel mea
Materials and Methods: A total of 288 young New Zealand rabbits aged 35 days were divided into four equal groups each containing 72 animals and into sub-groups of 6 rabbits per cage, depending on the rate of substitution of corn by date rebus and of soybean meal by apricot kernel meal (0%, 10%, 20%, and 30%).
Results: The change in weight from day 35 to 77 and the average daily gain are not significantly different, regardless of the diet. The pH and water content are proportional to the substitution rates (6.4-6.6% and 66.5-68.8%). Meat protein levels increased significantly, in particular for the 10% and 30% groups (+8.1% and 6%) while the fat and mineral content levels decreased significantly, in particular for the 30% group displaying -16% and -17%, respectively. Incorporation of dates and apricot kernel meal into the ration of rabbits reduces the cost of the kilogram of food produced of -9%, with an opportunity cost of 165 Algerian dinars (DZD).
Conclusion: The date rebus/apricot kernel meal complex can be used as an alternative to the corn/soybean meal complex at substitution rates of up to 30% without adverse effects on growth rates, feed contribution, or slaughter yield. It improves the chemical composition of the meat and reduces the cost price of the quintal of feed produced.
Keywords: agro-industrial by-product, apricot kernel meal, fattening, rabbits, rebus of dates.
Citation
M. MENNANI Achour, Rafik Arbouche, Yasmine Arbouche, Etienne Montaigne, Fodil Arbouche, Halima Saâdia Arbouche, , (2017), "Effects of incorporating agro-industrial by-products into diet of New Zealand rabbits: Case of rebus of date and apricot kernel mea", [national] Veterinary World , Veterinary World