Institute of Agriculture and Veterinary Sciences
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Item Effect of harvesting method and model of hive on the amount of honey produced by bee colonies in Algeria(Livestock Research for Rural Development, 2011) M L Berkani; Z Ghalem-Berkani; M T Benyoucef; A ChelighoumThis experiment was conducted to show the effect of the harvest method on the honey yield and the effect of the hive type on the evolution of the brood and the honey production. The comparative study was done in the Mitidja (North of Algeria) where Apis mellifera intermissa colonies of bees were placed inside 2 types of hives: Langstroth and Dadant. In addition, the single harvest method of honey was compared to the partial method. Partial harvest method permitted a higher production of honey (P≤0.05) than the single method. This result was observed for the 2 types of hives and seems related to the increase of space in the hives when the partial harvest method was used. This factor should stimulate the queen bee to intensify its laying activity and the worker bees to gather more nectar. Results revealed that the evolution of the brood and the honey production were better (P≤0.05) for the Langstroth hive. Inside the Dadant hive, which is more voluminous, bees colonies are stressed by the climate conditions, they have a late development and become less productive during the honeydew.Item Etude comparative de deux méthodes de récoltes (unique et partielles) dans deux modèles de ruches en Mitidja dans le centre Algérien(Livestock Research for Rural Development, 2012) Z Ghalem-Berkani; M L Berkani; A ChelighoumThe aim of the study was to show the effect of the harvesting method on the honey production and the effect of the type of bee hive on the brood comb evolution, weight of colonies and honey production. Bees “Apis mellifera intermisa” and two types of hives (Langstroth and Dadant) were used at Baba Ali (Mitidja at the central Algerian coast) as material of this comparative study. We tested two methods of harvesting, the total and the partial methods. Results show that the partial method is the best; it permits more honey production (P< 0,05) whatever the bee hive used. These results are explained by the larger space which is exploited by bees to store more honey, and which stimulate the queen to lay. Lagstroth type of bee hive permits a better progression (P< 0,05) of the brood comb of colonies’ weight and honey production. In the Dadant type which is larger than Langstroth one, the development of bees are poor due to the bad climatic conditions, so they can’t valorize the first flowering.Item The characterization of Post-Mortem Sperm of Local Chicken Cocks in Eastern Algeria(2019) Houria Ouennes, Farida Afri Bouzebda , Zoubir Bouzebda , Sara Majdoub , Amel Djaout and Moustapha Adnane SmadiItem Testicular Biometry and its Relationship with Age and Body Weight of Indigenous Bucks (Algeria)(2019) Sameh Sahi, Farida Afri-Bouzebda , Zoubir Bouzebda, Houria Ouennes, Amel DjaoutItem Effect of testicle post-mortem storage on goat epididymal sperm quality: the first step towards cryobank for local Algeria breeds(2019) H.OUENNES1 *, F.AFRI BOUZEBDA1 , Z.BOUZEBDA1 , S.MEDJEDOUB2 , A.DJAOUT1,3, M.ADNANE SMADI2,4Item LA MISE EN EVIDENCE D’UNE NAPPE DE CHARRIAGE EN STRUCTURE IMBRIQUEE : CAS DE LA NAPPE TELLIENNE D’OULED DRISS, SOUKAHRAS, ALGERIE(COURRIER DU SAVOIR, Université Mohamed Khider – Biskra, Algérie, 2016) Abdallah CHABBI; Abdelmadjid CHOUABBI; Asma CHERMITI; Mohamed BEN YOUSSEF; Tayeb KOUADRIA; Mohamed GHANMILa cartographie géologique et les déterminations micropaléontologiques des formations telliennes de la région d’Ouled Driss au Nord de Souk Ahras (Algérie orientale) selon deux profils SSE-NNO, perpendiculaire à la structure, entre Oued el Maaden et Dj. Madjen M’Cid, ont abouti à l’identification de quatre unites telliennes à matériel Paléocène -Eocène, en structure imbriquée. Ces unités surmontent le domaine para-autochtone Sellaoua au sud, et couvertes au nord par la nappe numidienne de Dj. Madjen – Dj. M’Cid.Item A Retrospective Study of Arabian Stallion Fertility Used in National Stud Farm of Tiaret (West of Algeria)(IDOSI Publications, 2018-03-15) HOUSSOU Hind; BOUZEBDA AFRI Farida; BOUZEBDA ZoubirThe aim of this paper to evaluate the stallion fertility in advance and to aid breeding management. The collection of a historical information about the Arabian stallions adults (n=101) and 495 mares with range age between (8 and 26) years in the national stud farm of Chaouchoua Tiaret. Fertility was measured using three endpoints: foaling rates (FR), percent pregnant per cycle (PC) and percent pregnant per season (PR) during (2003-2013).The pregnant per season rate (PR) was of 84 % The foaling rate (FR) was of 80%, the pregnancy cycle rate (PC) was of 96 % ; a strong correlation existed between the number of mares mated and (PC) (r= -0.59; p<0.01). We conclude that breeding records existed in many forms (foaling, pregnancy per cycle, or per season rates), but there is still a need to develop tests that can predict fertility with a reasonable degree of certainty before the stallion has begun his breeding career.Item Inventory of lice of mammals and farmyard chicken in North-eastern Algeria(Veterinary World, 2018-03-30) Mohamed Nadir Meguini; Souad Righi; Fayçal Zeroual; Khelaf Saidani; Ahmed BenakhlaBackground and Aim: Lice are permanent ectoparasites, extremely specific to their hosts. Their great importance in veterinary medicine remain significant, they can cause their direct pathogenic actions like irritability, dermatitis, anemia, decreased weight gain, and milk production. The purpose of this work was to made the first time an inventory of mammalian lice in North-eastern Algeria. Materials and Methods: Our survey of lice infestation was conducted on several animal species from five provinces of North-eastern Algeria. A total of 57 cattle, 83 sheep, 77 goats, 111 wild boars, and 63 farmyard chickens were examined. The collection of lice was carried out much more in mammals and chickens during the winter period. Lice were collected either manually or using brushing and kept in flasks containing 70% ethanol. The identification of lice was achieved in the laboratory using a binocular loupe. Results: Concerning cattle, 63% and 27% of those examined subjects from Souk-Ahras and Guelma study areas, respectively, were carriers of lice. Damalinia bovis was the louse most frequently found on cattle in these two regions. Three other species were identified in Souk-Ahras: Haematopinus eurysternus (25%), Linognathus vituli (10%), and Solenopotes capillatus (5%). Regarding sheep, 39% and 24% of examined animals in Souk-Ahras and Guelma, were carrying lice. Damalinia ovis was the most frequently encountered lice on sheep in both regions. Linognathus ovillus also was identified in Souk-Ahras, representing 0.3% of the collected lice. Concerning goats, 53% and 30% of examined animals in Souk-Ahras and Guelma, were parasitized of lice. Two species of lice were found: Damalinia caprae and Linognathus africanus. For farmyard chickens, 69% and 100% of the farmyard chicken in Souk-Ahras and Mila were parasitized by lice, respectively. Menopon gallinae was the most frequently encountered louse in farmyard chicken in both regions. Eight other species were identified in Mila and four other species only in Souk-Ahras. Finally, 25% and 28% of the wild boars in Annaba and El Tarf were parasitized by lice, respectively. Haematopinus suis was the only species found on wild boars in both regions. Conclusion: These results are to be taken into account for lice control schemes and louse-borne diseases.Item Inventory of lice of mammals and farmyard chicken in North-eastern Algeria(Veterinary World, 2018-03-30) Mohamed Nadir Meguini; Souad Righi; Fayçal Zeroual; Khelaf Saidani; Ahmed BenakhlaBackground and Aim: Lice are permanent ectoparasites, extremely specific to their hosts. Their great importance in veterinary medicine remain significant, they can cause their direct pathogenic actions like irritability, dermatitis, anemia, decreased weight gain, and milk production. The purpose of this work was to made the first time an inventory of mammalian lice in North-eastern Algeria. Materials and Methods: Our survey of lice infestation was conducted on several animal species from five provinces of North-eastern Algeria. A total of 57 cattle, 83 sheep, 77 goats, 111 wild boars, and 63 farmyard chickens were examined. The collection of lice was carried out much more in mammals and chickens during the winter period. Lice were collected either manually or using brushing and kept in flasks containing 70% ethanol. The identification of lice was achieved in the laboratory using a binocular loupe. Results: Concerning cattle, 63% and 27% of those examined subjects from Souk-Ahras and Guelma study areas, respectively, were carriers of lice. Damalinia bovis was the louse most frequently found on cattle in these two regions. Three other species were identified in Souk-Ahras: Haematopinus eurysternus (25%), Linognathus vituli (10%), and Solenopotes capillatus (5%). Regarding sheep, 39% and 24% of examined animals in Souk-Ahras and Guelma, were carrying lice. Damalinia ovis was the most frequently encountered lice on sheep in both regions. Linognathus ovillus also was identified in Souk-Ahras, representing 0.3% of the collected lice. Concerning goats, 53% and 30% of examined animals in Souk-Ahras and Guelma, were parasitized of lice. Two species of lice were found: Damalinia caprae and Linognathus africanus. For farmyard chickens, 69% and 100% of the farmyard chicken in Souk-Ahras and Mila were parasitized by lice, respectively. Menopon gallinae was the most frequently encountered louse in farmyard chicken in both regions. Eight other species were identified in Mila and four other species only in Souk-Ahras. Finally, 25% and 28% of the wild boars in Annaba and El Tarf were parasitized by lice, respectively. Haematopinus suis was the only species found on wild boars in both regions. Conclusion: These results are to be taken into account for lice control schemes and louse-borne diseases.Item The External Domain of Maghrebides Belt on the North–East of Algeria, Souk Ahras Segment: Definition of Structural Units, Block Structure and Timing of Thrusts Setting(2019) Abdallah CHABBI; Asma Chermiti; Abdelmadjid Chouabbi; Mohamed BenyoussefThe detailed geological mapping supported by micropaleontological, tectonic and structural data of Souk Ahras region (North–East of Algeria) made it possible to define the main structural units of the external domain of the Maghrebides belt in the North–East of Algeria. The study area shows a block structure illustrating an allochthonous domain (Numidian unit, the northern Tellian unit and the southern Tellian) thrusting a folded para-autochthonous domain (the scaly unit of the Sellaoua type and the Dj. Graout unit). The current structure is edified into three phases at least: post Langhian phase, Tortonian phase and Pliocene phase.