scholarly journals Adaptation productive de la race Nélore au ranch Kila République du Congo

2021 ◽  
Vol 157 ◽  
pp. 16204-16212
Keyword(s):  
Average Daily Gain ◽  
Climatic Conditions ◽  
Average Weight ◽  
Cattle Breeding ◽  
Mineral Supplement ◽  
Dimorphisme Sexuel ◽  
Sont Respectivement ◽  
Males And Females ◽  
First Time ◽  
Difference Effect

Objectif : La présente étude a pour objectif d’évaluer les paramètres de production des animaux Nélores afin d’améliorer la conduite de ces derniers élevés pour la première fois au Congo. Méthodologie et résultats : Des données portant sur le poids des veaux de la naissance à 7 mois, le gain moyen quotidien des veaux, les poids post sevrages de 12 à 36 mois, les poids moyens et les rendements à l’abattage, ont été collectées sur 40 veaux, 40 vêlles, 80 taurillons, 42 génisses et 78 taureaux. Les animaux ont été nourries d’herbes telles que Bulbostylis laniceps, Trachypogon spicatus, Ctenium newtonii, Hyparrhenia wombaliensis sur pâturages naturel et Panicum massaye, Brachiara brizenta, Brachiara omidicola, Bracharia Laneiro sur pâturages artificiel. Leur alimentation a été supplémentée par le complément minérale azoté vitaminé et complément minéral vitaminé. Les veaux naissent avec un poids 27,97±0,58 kg contre 26,88±0,61 kg pour les vêlles. Les mâles naissent plus lourds que les femelles. Cet effet d’écart de poids s’amplifie jusqu’au 7è mois où l’on enregistre 140,63±1,20 kg et 131,45±3,41 kg respectivement pour les mâles et femelles, le dimorphisme sexuel est bien prononcé. Les gains moyens quotidiens des mâles et femelles de la naissance au sevrage sont respectivement de 536,48g/j et 497,95g/j. Le suivi post sevrage montre que les Nélores mâles et femelles atteignent 171,37±4,78 kg et 158,44±13,11kg à 12 mois. Ce poids est de 349,96±8,82 kg et 289,23±29,16 kg et de 418,97± 25,84 kg et 333,67±33,12 kg respectivement pour les mâles et femelles à 24 et 36 mois. Les animaux sont abattus à l’âge de 60 ± 6,3 mois avec un poids moyen de 484,64±23,4 kg. Le rendement net à l’abattage est de 55,5±18,7%. Conclusion et application des résultats : l’adaptation productive des Nélores aux espèces fourragères du ranch Kila prouve qu’ils s’adaptent bien aux conditions climatiques du Congo et constitue un atout considérable pour le développement de l’élevage bovin au Congo. Mots clés : Adaptation, Productive, Condition climatique, Nélore, Congo ABSTRACT Objective: The objective of this study is to evaluate the production parameters of Nélores animals in order to improve the behavior of the latter reared for the first time in Congo. Methodology and results: Data on the weight of calves from birth to 7 months, average daily gain of calves, post-weaning weights from 12 to 36 months, average weights and slaughter yields were collected. on 40 Dimi Ngatse et al., J. Appl. Biosci. 2021 Adaptation productive de la race Nélore au ranch Kila République du Congo 16205 calves, 40 calves, 80 bulls, 42 heifers and 78 bulls. The animals were fed grasses such as Bulbostylis laniceps, Trachypogon spicatus, Ctenium newtonii, Hyparrhenia wombaliensis on natural pastures and Panicum massaye, Brachiara brizenta, Brachiara omidicola, Bracharia Laneiro on artificial pastures. Their diet was supplemented by the vitamin nitrogen mineral supplement and vitamin mineral supplement. Calves are born with a weight of 27.97 ± 0.58 kg against 26.88 ± 0.61 kg for calves. Males are born heavier than females. This weight difference effect is amplified until the 7th month when 140.63 ± 1.20 kg and 131.45 ± 3.41 kg are recorded respectively for males and females, the sexual dimorphism is quite pronounced. . The average daily gains of males and females from birth to weaning are respectively 536.48g / d and 497.95g / d. Post-weaning monitoring shows that male and female Nelores reach 171.37 ± 4.78 kg and 158.44 ± 13.11 kg at 12 months. This weight is 349.96 ± 8.82 kg and 289.23 ± 29.16 kg and 418.97 ± 25.84 kg and 333.67 ± 33.12 kg respectively for males and females at 24 and 36 month. The animals are slaughtered at the age of 60 ± 6.3 months with an average weight of 484.64 ± 23.4 kg. The net slaughter yield is 55.5 ± 18.7%. Conclusion and application of the results: The productive adaptation of the Nelores to the forage species of the Kila ranch proves that they adapt well to the climatic conditions of Congo and constitutes a considerable asset for the development of cattle breeding in Congo. Keywords : Adaptation, Productive, Climatic condition, Nélore, Congo

scholarly journals Productive performance of Brangus cattle at weaning in grazing conditions in Colombia

2014 ◽  
Vol 11 (2) ◽  
pp. 61
Author(s):  
Pablo Andrés Motta-Delgado ◽  
Carolina Benítez-Vásquez ◽  
Maira Alejandra López-Perea ◽  
Johanna Alessandra Plaza-Cárdenas ◽  
Camilo Dussan-González ◽  
...  
Keyword(s):  
Birth Weight ◽  
Average Daily Gain ◽  
Meat Production ◽  
Average Weight ◽  
Production Index ◽  
Error Factor ◽  
Significant Difference ◽  
Similar Weight ◽  
Males And Females ◽  
Average Weight Gain

<p>The aim of this study was to evaluate and compare the performance of Brangus calves at weaning under grazing conditions, and determine the influence of the sex on its performance. This study was conducted in the Cartago municipality (Colombia), in a herd dedicated to the production of beef with Brangus breed. The data were analyzed by ANOVA with a 95% significance using the statistical software InfoStat 2015. Full records of second lactation cows that were served by the same bull were evaluated to reduce the error factor. The variables evaluated were: weight at birth, weight at weaning, meat production index and average daily gain (ADG). The following model of age at weaning was considered as a covariate: Yij=u+Ti+BXij+Eij. The weight at birth was 33.22±1.86 and 31.88±0.89 kg for males and females respectively, weight at weaning was 246.00±51.69 and 225.81±21.78 kg respectively, rate of production was 0.64±0.12 and 0.62±0.05% respectively, ADG was 890±280; 850±100 grams/day respectively, and age at weaning of 251.78±44.01 and 228.19±16.30 days respectively. Only statistical significant difference for weight at birth (p=0.0286) was observed. In conclusion, both males and females Brangus showed differences in birth weight; however, differences in meat production levels are not significant since these reach at weaning similar weight, meat production index and average weight gain. In this sense, the productive trend may be similar at post-weaning stage, being feasible to employ both males and females interchangeably for the production of beef; additionally, the heifers can arrive faster at age for bull service.</p>

ЗУБРЫ НА СЕВЕРЕ РОССИИ — НАСТОЯЩЕЕ И БУДУЩЕЕ

2019 ◽  
pp. 42-44
Author(s):  
I.V. GUSAROV ◽  
V.A. OSTAPENKO ◽  
T.V. NOVIKOVА
Keyword(s):  
Biological Diversity ◽  
Climatic Conditions ◽  
Economic Consequences ◽  
European Bison ◽  
Rare And Endangered Species ◽  
The North ◽  
Rare And Endangered ◽  
Relationship Of ◽  
First Time ◽  
The Relationship

Впервые в мире создана популяция зубров на территории 60 градусов северной широты. В новых климатических условиях разведения и сохранения зубров определены и проанализированы факторы существования вида на севере Европейской части РФ. Выявлены признаки, динамика численности, которые являются составной частью системы, предназначенной для управления биоразнообразием. Интродукция, являясь процессом введения в экосистему нехарактерных для нее видов, может усиливать изменения биоценозов как положительно, так и отрицательно. Насколько быстро и успешно проходит процесс адаптации заселенного вида, и усматривается его влияние на окружающую среду зависит дальнейшее существование зубров и в целом биоразнообразия. В статье обсуждаются вопросы взаимоотношения зубров с другими видами копытных и хозяйственной деятельностью человека, а также дальнейшим использованием зубров в сельскохозяйственном производстве. Пластичность зубров, выявление изменений и их анализ при вселении видов в новые условия обитания необходимы не только для определения развития или деградации биоценозов и в целом экосистемы, но и прогноза социально-экономических последствий интродукции как одного из методов сохранения редких и исчезающих видов фауны.For the first time in the world, a bison population has been created in an area of 60 degrees north latitude. In the new climatic conditions of breeding and preservation of bison, the factors of the species existence in the north of the European part of the Russian Federation are identified and analyzed. The signs, dynamics of abundance, which are an integral part of the system designed to manage biodiversity are identified, since the preservation of biological diversity on the planet is one of the main problems of our time. Introduction, being the process of introducing non-typical species into an ecosystem, can enhance changes in biocenoses, both positively and negatively. The question posing sounds especially when it comes to such a large hoofed animal as the European bison. How quickly and successfully the process of adaptation of the universe takes place and its environmental impact is seen depends on the continued existence of bison and biodiversity in general. The article discusses the relationship of bison with other types of ungulates and human activities, as well as the further use of bison in agricultural production. How these issues will be resolved positively depends on the future of these animals. Thus, the plasticity of bison, the identification of changes and their analysis, with the introduction of species into new habitat conditions is necessary not only to determine the development or degradation of biocenoses and the ecosystem as a whole, but also to predict the socio-economic consequences due to the introduction as one of the methods of preserving rare and endangered species of fauna.

scholarly journals Phosphatidylserine-Gold Nanoparticles (PS-AuNP) Induce Prostate and Breast Cancer Cell Apoptosis

Pharmaceutics ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1094
Author(s):  
Allan Radaic ◽  
Nam E. Joo ◽  
Soo-Hwan Jeong ◽  
Seong-II Yoo ◽  
Nicholas Kotov ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Gold Nanoparticles ◽  
Biomedical Applications ◽  
Therapeutic Potential ◽  
Control Treatment ◽  
Track Record ◽  
Males And Females ◽  
Breast And Prostate Cancer ◽  
First Time

Prostate and breast cancer are the current leading causes of new cancer cases in males and females, respectively. Phosphatidylserine (PS) is an essential lipid that mediates macrophage efferocytosis and is dysregulated in tumors. Therefore, developing therapies that selectively restore PS may be a potential therapeutic approach for carcinogenesis. Among the nanomedicine strategies for delivering PS, biocompatible gold nanoparticles (AuNPs) have an extensive track record in biomedical applications. In this study, we synthesized biomimetic phosphatidylserine-caped gold nanoparticles (PS-AuNPs) and tested their anticancer potential in breast and prostate cancer cells in vitro. We found that both cell lines exhibited changes in cell morphology indicative of apoptosis. After evaluating for histone-associated DNA fragments, a hallmark of apoptosis, we found significant increases in DNA fragmentation upon PS-AuNP treatment compared to the control treatment. These findings demonstrate the use of phosphatidylserine coupled with gold nanoparticles as a potential treatment for prostate and breast cancer. To the best of our knowledge, this is the first time that a phosphatidylserine-capped AuNP has been examined for its therapeutic potential in cancer therapy.

scholarly journals 93 Evaluation of the intake and digestibility of ensiled residual material from edamame soybean processing with and without the use of an inoculant

2020 ◽  
Vol 98 (Supplement_4) ◽  
pp. 74-74
Author(s):  
Ellen M Herring ◽  
Elizabeth B Kegley ◽  
Ken Coffey ◽  
Shane Gadberry ◽  
Jeremy G Powell ◽  
...  
Keyword(s):  
Body Weight ◽  
Average Daily Gain ◽  
Adaptation Period ◽  
Processing Waste ◽  
Mineral Supplement ◽  
Dry Matter Digestibility ◽  
Body Weights ◽  
Soybean Processing ◽  
Silage Inoculant ◽  
Daily Gain

Abstract This research evaluated the effects of ensiled edamame soybean processing waste on ruminant intake and total tract digestibility. Waste from processing stored edamame was obtained (3 trips) and wilted (28%, 25%, and 37% DM), then treated with or without inoculant (Lactobacillus buchneri) and ensiled in 167 L plastic barrels (2 or 3 barrels/treatment from each trip) for 72 (Trip 1) or 69 (Trip 2 and 3) days. Pregnant ewes (n = 18; body weight = 55.5 ± 1.2 kg; 2 to 3 years old) were blocked by body weight and assigned randomly within a block to treatments within a trip, then each ewe was assigned to a barrel of silage. Ewes were housed individually in 1 × 1.5-m pens and offered silage for a 10-day adaptation period followed by 7 days of total feces and urine collection. Ewes were offered silage to allow for 10% orts and were offered 0.2% of their body weight of soyhulls and 32 g of mineral supplement/day to meet their predicted nutrient requirements for gestating ewes. Ewes consumed 1,616 ± 54 g DM/day (X ± SEM) or 2.9 ± 0.12% of their body weight and there was no effect (P ≥ 0.85) of inoculant treatment on DM intake (g/day or % of body weight). Dry matter digestibility was not affected (P = 0.98) by inoculant and averaged 55.7 ± 0.66%. Ewe average daily gain for the 17-day trial tended to be greater (P = 0.08) for the ewes offered the silage without inoculant (0.18 vs. 0.04 kg/d). Ensiling edamame processing waste yielded a feed that ewes consumed in adequate amounts to maintain their body weights over 17 days when also supplemented with soyhulls. The addition of silage inoculant had minimal effects on intake, digestibility, or ewe body weight change.

scholarly journals Mortality Patterns in a Commercial Wean-To Finish Swine Production System

2019 ◽  
Vol 6 (2) ◽  
pp. 49 ◽  
Author(s):  
Samantha Mehling ◽  
Alexandra Henao-Diaz ◽  
Jeremy Maurer ◽  
Ed Kluber ◽  
Rachel Stika ◽  
...  
Keyword(s):  
Production System ◽  
Average Daily Gain ◽  
Stocking Density ◽  
Study Data ◽  
Average Weight ◽  
Feed Conversion ◽  
Complex Process ◽  
Routine Monitoring ◽  
Phase Cluster ◽  
Biological Performance

Modern commercial pig production is a complex process that requires successful producers to understand and resolve factors associated with perturbations in production. One important perturbation is inventory loss due to mortality. In this study, data on 60 lots of approximately 2000 weaned pigs (n = 115,213) from one commercial production system were collected through the wean-to-finish (WTF) cycle with the objective of establishing patterns of mortality, estimating differences in profit/loss among patterns of mortality, and identifying production practices associated with mortality patterns. Information provided by the production system included the number of pigs in each lot at the time of placement (beginning inventory), weaning weight, barn dimensions, number of dead pigs (NDP) daily, capacity placed (proportion pigs actually placed versus what had been planned to be placed) and average weight sold. Analysis of NDP revealed three mortality patterns (clusters I, II, III) composed of 6, 40, and 14 lots, respectively, that differed in the temporal onset and/or level of mortality. Average daily gain (ADG) and feed conversion ratio (FCR) were calculated by growth phase for each cluster. An economic model showed profit differences among clusters due to poor biological performance by clusters I and III in the late finishing phase. Cluster II (n = 40) had fewer dead pigs and the highest profit compared to clusters I (n = 6) and III (n = 14). Area per pig (stocking density) was the only factor associated with the differences in mortality patterns. Routine monitoring and the analysis of mortality patterns for associations with production and management factors can help swine producers improve biological performance and improve profit.

scholarly journals Effect of monensin sodium associative to virginiamycin and/or essential oils on the performance of feedlot finished steers

2018 ◽  
Vol 39 (1) ◽  
pp. 261
Author(s):  
Julio Cezar Heker Junior ◽  
Mikael Neumann ◽  
Robson Kyoshi Ueno ◽  
Margarete Kimie Falbo ◽  
Sandra Galbeiro ◽  
...  
Keyword(s):  
Essential Oil ◽  
Essential Oils ◽  
Feeding Behavior ◽  
Dry Matter ◽  
Average Daily Gain ◽  
Carcass Characteristics ◽  
Live Weight ◽  
Average Weight ◽  
Apparent Digestibility ◽  
Fat Thickness

The objective of this study was to evaluate the associative effect of monensin sodium to virginiamycin and/or essential oils on performance, consumption of nutrients and dry matter, apparent digestibility, feeding behavior and carcass characteristics of feedlot finished steers. The experiment lasted 106 days with 10 days of adaptation and 96-day trial, and had 32 crosses angus steers, average age 12 months and average weight of 376 kg, divided into 16 stalls, the weighing took place every 21 days and at the end of the experiment. The treatments consisted of the combination of the following additives to the diet included: Monensin sodium, 200 mg day-1 (MO); Monensin sodium, a dose of 200 mg day-1 + essential oil dose of 1.5g day-1 (MO+EO); Monensin sodium, a dose of 200 mg day-1 + virginiamycin, 200 mg day-1 (MO+VI); Monensin sodium, 200 mg day-1 + essential oil dose of 1.5g day-1 + virginiamycin day, 200 mg day-1 (MO+EO+VI), each treatment had four repetitions, where each repetitions consisted of a bay with two animals. The MO+VI association in relation to MO only increase in average daily gain (ADG) of 24.44%, 22.35%, 21.10% and 17.31% in weighing 42, 63, 84 and 96 days, similar the combination of MO+EO+VI which provided an improvement of 21.94%, 13.59%, 15.45% and 14.75% respectively in the same weightings. The daily carcass gain and carcass overall gain were higher in associations MO+VI and MO+EO+VI and provided an average gain of 16.67 kg more compared to MO and MO+EO. In the parameters feed efficiency, dry matter intake and nutrient expressed in kg day-1 and percentage of live weight were not observed differences (P > 0.05) between treatments. Data on apparent digestibility, feeding behavior and carcass characteristics did not show statistical difference between treatment, except for fat thickness which was higher when associated with any of the additives to the MO, and farm weight was higher in associations containing VI. Associating MO+VI or MO+EO+VI proved to be best in this work compared to MO+EO or only MO in the diets of steers in termination.

scholarly journals A review of the Sarcophaga (Heteronychia) (Diptera: Sarcophagidae) of Sardinia

Zootaxa ◽  
2009 ◽  
Vol 2318 (1) ◽  
pp. 566-588 ◽  
Author(s):  
DANIEL WHITMORE
Keyword(s):  
Canary Islands ◽  
North Africa ◽  
Junior Synonym ◽  
Arthropod Diversity ◽  
Italian Regions ◽  
Males And Females ◽  
First Time

An account is given of the species of Sarcophaga Meigen, 1826 subgenus Heteronychia Brauer & Bergenstamm, 1889 known from the island of Sardinia (Italy). Most of the nearly 1,400 specimens examined were collected in the SW part of the island during 2003–2006 as part of a project investigating the arthropod diversity of the Monti Marganai and Montimannu areas (respectively Carbonia-Iglesias and Medio Campidano provinces). The study resulted in the finding of eight species of Heteronychia, six of which are recorded from Sardinia for the first time. Sarcophaga (Heteronychia) penicillata Villeneuve, 1907, previously mentioned in the literature, is excluded from the fauna of the island. Sarcophaga (Heteronychia) thirionae (Lehrer, 1976) is recorded for the first time from Europe and North Africa (Algeria). One species, Sarcophaga (Heteronychia) gabrielei sp. nov., from various sites in the limestone massif of Marganai, is described as new. Previously unpublished records from other Italian regions and from other countries (Algeria, Canary Islands, Greece) are also given for several species. Sarcophaga (Heteronychia) schnabli Villeneuve, 1911 is recognized as a junior synonym of S. (H.) consanguinea Rondani, 1860 syn. nov. The possible synanthropy of Sarcophaga (Heteronychia) pandellei (Rohdendorf, 1937) is briefly discussed. A key to males and females of all known Sardinian and Corsican species of Sarcophaga (Heteronychia) is provided.

scholarly journals Impact of a phytogenic feed additive on growth performance, feed intake, and carcass traits of finishing steers

2019 ◽  
Vol 3 (4) ◽  
pp. 1162-1172
Author(s):  
Tassilo Brand ◽  
Martin Hünerberg ◽  
Tim A McAllister ◽  
Maolong He ◽  
Atef M Saleem ◽  
...  
Keyword(s):  
Growth Performance ◽  
Feed Intake ◽  
Dry Matter ◽  
Average Daily Gain ◽  
Carcass Traits ◽  
Feed Additive ◽  
Muscle Area ◽  
Mineral Supplement ◽  
Liver Abscesses ◽  
Finishing Steers

Abstact: The purpose of this study was to evaluate the effect of a phytogenic feed additive (Digestarom [DA]; Biomin, Getzersdorf, Austria) on growth performance, feed intake, carcass traits, fatty acid composition, and liver abscesses of finishing steers. One hundred twenty Angus × Charolais crossbred steers (488 ± 26.5 kg) were used in a 110-d feeding experiment. Steers were blocked by weight and randomly assigned to 12 pens with 10 steers per pen. Each pen was allocated to one of three diets. Each diet contained 86.5% barley, 10.0% barley silage, and 3.5% vitamin and mineral supplement on a dry matter (DM) basis. The diets contained 0, 0.05, and 0.1 g DA/kg complete diet (DM basis), to achieve average daily DA intakes of 0 (control), 0.5 (LowDA), and 1.0 g (HighDA) per steer. Diets were prepared once daily and provided ad libitum. Two pens per treatment were equipped to record individual feed intake behavior. Steers were weighed every 28 d and carcass traits and liver scores were recorded at slaughter. Dry matter intake (average: 9.34 kg/d) did not differ (P &gt; 0.05) among diets. Average daily gain tended to increase linearly as DA increased (control: 1.82; LowDA: 1.87; and HighDA: 1.95 kg/d; P &lt; 0.09), but gain:feed ratio was not affected. Supplementation of DA affected longissimus muscle area quadratically (P = 0.05) with the largest area observed for LowDA. However, dressing percentage decreased linearly in response to increasing level of DA (P &lt; 0.01). Total abscessed livers were not affected, whereas proportion of severe liver abscesses was numerically lower with DA (30.8% and 42.5% for LowDA and HighDA) compared to the control (50%).

scholarly journals FEEDING VALUE OF SILAGE FROM A TILLERING AND A NONTILLERING HYBRID CORN

1975 ◽  
Vol 55 (4) ◽  
pp. 955-959 ◽  
Author(s):  
D. M. BOWDEN ◽  
N. B. McLAUGHLIN ◽  
S. FREYMAN
Keyword(s):  
Average Daily Gain ◽  
Average Weight ◽  
Corn Hybrids ◽  
Total Period ◽  
Whole Plant ◽  
Southern Alberta ◽  
Feeding Value ◽  
Daily Gain ◽  
Matter Energy ◽  
Corn Hybrid

Whole-plant silages made from a tillering corn hybrid (Zea mays L.) and a nontillering corn hybrid had similar digestibilities of dry matter, energy, and protein as assessed with wether sheep. When the silages were fed as the only feed for 56 days to yearling Hereford steers weighing an average of 370 kg, the intake of silage from the nontillering corn tended to be low and the steers only maintained their weight. Steers fed silage from the tillering corn gained 0.45 kg/day. However, with supplemental steamed, rolled barley being given for the remainder of the 112 days, average weight gains for the total period did not differ significantly (P < 0.05) between steers on the two silages. When barley was fed with each of the silages at 0.5% of body weight, the average daily gain of steers for 112 days was the same for the two silages (0.79 kg/day). The digestible energy consumed per unit of gain did not differ significantly (P < 0.05) between the two silages. We conclude that, when fed with a limited amount of barley, silages of equal feeding value could be made from tillering and nontillering corn hybrids grown in southern Alberta.

The Australian species of Aponomma and Amblyomma (Ixodoidea).

1953 ◽  
Vol 1 (1) ◽  
pp. 111 ◽  
Author(s):  
FHS Roberts
Keyword(s):  
New Species ◽  
Australian Species ◽  
Males And Females ◽  
First Time ◽  
Species Being

A study has been made of the Australian species of Aponomma and Amblyomma (Ixodoidea). Nine species of Aponomma were determined, namely A. trachysauri, A. hydrosauri, A. auruginans, A. decorosum, A. simplex, A. trimuculatum, A. tachyglossi, A, tropicum, and A. pulchrum, the last three species being new. Two previously described species, namely A. quadratum and A. ecinctum, were recognized among the material available for study. A detailed description given of each species together with essential figures. Keys to the males, females, and nymphs are included. Twelve species of Amblyomma were seen. Species previously described included A. moreliae, A. limbatum, A. albolimbatum, A. triguttatum, A. australiense, and A. papuanu. A. postoculatum and A. helvolum were not recognized among the material available for study. A. papuana is recorded from Australia for the first time. Four new species, namely A. sternne, A. echidnae, A. macropi, and A. moyi, are described. Keys to the males and females are given.

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