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Leonardo José Assis de Barros, Marcelo de Andrade Ferreira, Julio César Vieira de Oliveira, Djalma Cordeiro Dos Santos, Juana Catarina Cariri Chagas, Adryanne Marjorie Souza Vitor Alves, Aghata Elins Moreira da Silva, Wandemberg Rocha Freitas
This study aims to evaluate the effect of the Tifton 85 hay (Cynodon dactylon L. Pers) replacement by Orelha de Elefante Mexicana spineless cactus (Opuntia stricta [Haw.] Haw) on the nutrient intake and digestibility, growth performance, microbial protein synthesis, and efficiency of dietary nitrogen compound utilization in the diets of Girolando heifers. Twenty-four (3.5 months and 100 kg ± 3.5 kg) Girolando heifers (5/8 Holstein x Gyr) were used and arranged in a completely randomized design. Dry matter, organic matter, crude protein, and neutral detergent fiber decreased linearly as a function of the levels of Tifton hay (TH) replacement by Orelha de Elefante Mexicana spineless cactus (OEM)...
September 23, 2017: Tropical Animal Health and Production
Juliana Paula Felipe de Oliveira, Marcelo de Andrade Ferreira, Adryanne Marjorie Souza Vitor Alves, Ana Caroline Cerqueira de Melo, Ida Barbosa de Andrade, Stela Antas Urbano, Juraci Marcos Alves Suassuna, Leonardo José Assis de Barros, Tobias Tobit de Barros Melo
Objective: The fresh sugarcane has been a new roughage source for ruminant's in semiarid region, in function of the decadence of sugar and alcohol industry in the last years. However, the date published for lambs fed sugarcane associated with spineless cactus is scared. This study evaluated the effect of sugarcane replacement with spineless cactus (0, 33, 66, and 100%) in the diet of Santa Inês lambs on carcass characteristics. Methods: Thirty-six non-castrated Santa Ines lambs at four months of age and an initial body weight of 22 ± 2...
August 16, 2017: Asian-Australasian Journal of Animal Sciences
Emily V W Setton, Logan E March, Erik D Nolan, Tamsin E Jones, Holly Cho, Ward C Wheeler, Cassandra G Extavour, Prashant P Sharma
The deutocerebral (second) head segment is putatively homologous across Arthropoda, in spite of remarkable disparity of form and function of deutocerebral appendages. In Mandibulata this segment bears a pair of sensory antennae, whereas in Chelicerata the same segment bears a pair of feeding appendages called chelicerae. Part of the evidence for the homology of deutocerebral appendages is the conserved function of homothorax (hth), which has been shown to specify antennal or cheliceral fate in the absence of Hox signaling, in both mandibulate and chelicerate exemplars...
October 1, 2017: Developmental Biology
Paul A Muller, Daniel Mucida
Sickness in mammals can lead to cognition deficits, although the underlying mechanisms remain elusive. In a recent Nature Medicine article, Garré et al. (2017) report that sickness-induced cortical dendritic spine loss and impaired memory formation is mediated by CX3CR1(+) monocyte-derived TNF-α.
July 18, 2017: Immunity
Cesar A Meza-Herrera, Omag Cano-Villegas, Arnoldo Flores-Hernandez, Francisco G Veliz-Deras, Guadalupe Calderon-Leyva, Juan M Guillen-Muñoz, Cristina García de la Peña, Cesar A Rosales-Nieto, Ulises Macias-Cruz, Leonel Avendaño-Reyes
The possible influence of the "male effect" upon reproductive outcomes of adult anestrous goats under marginal rangeland conditions and supplemented with protein-enriched Opuntia megacantha Salm-Dyck was evaluated. Reproductive variables included: estrus percentage (EST, %), estrus latency (ESL, hours), ovulation percentage (OP, %), ovulation rate (OR, units), average largest follicle at ovulation (LFO, mm), largest corpus luteum (LCL, mm), embryo number (EBN, units), and embryo implantation percentage (EIP, %)...
July 13, 2017: Tropical Animal Health and Production
Gerardo Ordaz-Ochoa, Aureliano Juárez-Caratachea, Rosa Elena Pérez-Sánchez, Rafael María Román-Bravo, Ruy Ortiz-Rodríguez
The effect of spineless cactus intake (Opuntia ficus-indica) on blood glucose (BG) levels in lactating sows and its impact on daily and total feed intake (dFI(-1) and TFI, respectively), body weight loss (BWL), and weaning-estrus interval length (WEI) were evaluated. Thirty-four hybrid (Yorkshire × Landrace × Pietrain) sows in lactation phase were used. Sows were divided into two groups: G1 (n = 17) where they received commercial feed and G2 (n = 17) provided with commercial feed plus an average of 2...
June 2017: Tropical Animal Health and Production
Julimar do Sacramento Ribeiro, Luana Lira Santos, Dorgival Morais de Lima Júnior, Tobyas Maia de Albuquerque Mariz, Márcio Machado Ladeira, Paulo Sérgio de Azevedo, Carolyny Batista Lima, Maria Josilaine Matos Dos Santos Silva
The effect of the replacement of corn silage with spineless cactus associated with Tifton 85 hay or sugarcane bagasse was evaluated on the performance, body weight components and sheep meat quality. Twenty-one Santa Inês male sheep with initial body weight of 22.9 ± 2.9 kg were used. They were confined in individual stalls for 74 days receiving the following diets: corn silage + concentrate (CS); spineless cactus + Tifton 85 hay + concentrate (TH); spineless cactus + sugarcane bagasse + concentrate (SB)...
April 19, 2017: Tropical Animal Health and Production
Omar M Amin, Richard A Heckmann, P A Ahammed Shareef
Pallisentis indica Mital and Lal, 1976 was originally described from Channa gachua Hamilton (Channidae) in Kali Nadi River, Aligarh, India. The parasite was later placed in the subgenus Brevitritospinus Amin, Heckmann, Ha, Luc, and Doanh, 2000 . Our collection from the spotted snakehead Channa punctatus Bloch & Schneider in another locality of the same stream in Aligarh produced many specimens with variable traits, revealing new structures that have never before been described in the Acanthocephala, especially relating to the ducted trunk spines...
June 2017: Journal of Parasitology
Kentaro Arikawa
Butterflies use colour vision when searching for flowers. Unlike the trichromatic retinas of humans (blue, green and red cones; plus rods) and honeybees (ultraviolet, blue and green photoreceptors), butterfly retinas typically have six or more photoreceptor classes with distinct spectral sensitivities. The eyes of the Japanese yellow swallowtail (Papilio xuthus) contain ultraviolet, violet, blue, green, red and broad-band receptors, with each ommatidium housing nine photoreceptor cells in one of three fixed combinations...
August 15, 2017: Journal of Physiology
Michelly Cristo-Araújo, David Bronze Molles, Doriane Picanço Rodrigues, Charles R Clement
Seeds of a plant, supposedly a palm tree known popularly as peach palm (Bactris gasipaes), were seized by the Federal Police in the state of Pará, Brazil, without documentation of legal origin to authorize transportation and marketing in Brazil. They were alleged to be from the western part of Amazonas, Brazil, near the frontier with Peru and Colombia, justifying the lack of documentation. The species was confirmed to be peach palm. To determine the likely place of origin, a genetic analysis was performed to determine the relationship between the seized seeds and representative populations of peach palm from all of Amazonia, maintained in the Peach palm Core Collection, at the National Research Institute for Amazonia, using nine microsatellite loci...
February 20, 2017: Forensic Science International
Roberto G Costa, Michelly DA Almeida, George Rodrigo B Cruz, Edvaldo M Beltrão Filho, Neila L Ribeiro, Marta S Madruga, Rita de Cássia Re Queiroga
BACKGROUND: Fat is the tissue that varies most in animals from both a quantitative and distribution perspective. It plays a fundamental biological role as energy storage during food scarcity. Renal, pelvic and internal fat are deposited first. These fats are used to identify fatty acid profiles that may be considered beneficial or unhealthy. The aim of this study is to evaluate the fatty acid profile of fat depots in Santa Inês sheep finished in confinement with spineless cactus in their diets...
March 6, 2017: Journal of the Science of Food and Agriculture
June Ho Shin, Mikel D Haggadone, John B Sunwoo
The Distal-less (Dlx) homeobox transcription factors (TFs) play a prominent role in regulating multiple facets of vertebrate biology. Though widely studied as mediators of tissue development, recent work has uncovered a role for this TF family in modulating the vertebrate hematopoietic compartment. Pertinent to our study, murine Dlx1-3 are expressed in an innate lymphocyte population known as natural killer (NK) cells, and they are implicated to assume a functional role in the NK cell maturation pathway. However, Dlx target genes are poorly understood...
September 2016: Biochemistry and Biophysics Reports
Juliana Paula Felipe de Oliveira, Marcelo de Andrade Ferreira, Adryanne Marjorie Souza Vitor Alves, Ana Caroline Cerqueira de Melo, Ida Barbosa de Andrade, Juraci Marcos Alves Suassuna, Leonardo José Assis de Barros, Tobias Tobit de Barros Melo, Janaina de Lima Silva
The effects of replacement of sugarcane by spineless cactus (0, 33, 66, and 100 % on dry matter (DM) basis) were evaluated on intake, digestibility of nutrients, ingestive behavior, and performance of finishing lambs. Thirty-six non-castrated Santa Ines lambs at 4 months of age and an initial body weight of 22 ± 2.3 kg were assigned in a randomized block design. A quadratic effect was found for intake of DM, organic matter (OM), crude protein (CP), neutral detergent fiber (NDF), and digestible organic matter (DOM), with maximum values of 1...
January 2017: Tropical Animal Health and Production
Adrienne E Ng, Ernesto Sandoval, Terence M Murphy
Lophophora williamsii (peyote) is a small, spineless, greenish-blue cactus found in Mexico and the southwestern United States. Ingestion of the cactus can result in hallucinations due to its content of mescaline. In the United States, L. williamsii is classified as a Schedule I controlled substance. In this study, we use DNA analysis of the chloroplast trnL/trnF region and chloroplast rbcL gene to identify the individuals of Lophophora. Using the rbcL gene, Lophophora specimens could be distinguished from outgroups, but species within the genus could not be distinguished...
January 2016: Journal of Forensic Sciences
Michael Perry, Michiyo Kinoshita, Giuseppe Saldi, Lucy Huo, Kentaro Arikawa, Claude Desplan
Butterflies rely extensively on colour vision to adapt to the natural world. Most species express a broad range of colour-sensitive Rhodopsin proteins in three types of ommatidia (unit eyes), which are distributed stochastically across the retina. The retinas of Drosophila melanogaster use just two main types, in which fate is controlled by the binary stochastic decision to express the transcription factor Spineless in R7 photoreceptors. We investigated how butterflies instead generate three stochastically distributed ommatidial types, resulting in a more diverse retinal mosaic that provides the basis for additional colour comparisons and an expanded range of colour vision...
July 14, 2016: Nature
Panat Anuracpreeda, Runglawan Chawengkirttikul, Prasert Sobhon
Adult Orthocoelium parvipapillatum are common parasites that reside in the rumen and reticulum of ruminants, i.e., cattle, sheep, goats, and buffaloes. The fluke is conical-shaped and slightly concave ventrally and convex dorsally, and measures bout 2.4-3.9 mm in length and 1.0-2.3 mm in width across the mid-section. The tegument of the adult worm is examined using light microscopy (LM) and scanning (SEM) and transmission electron microscopy (TEM). Under LM, the tegument appears as a thick homogeneous layer containing folds alternated with grooves without spines...
July 2016: Parasitology Research
Sabrina Carla Rodrigues Felix, Ricardo Alexandre Silva Pessoa, Marcelo de Andrade Ferreira, Luciana Felizardo Pereira Soares, Janaina de Lima Silva, Karen Santos Felix de Abreu, Ana Caroline Cerqueira de Melo
To assess the intake, digestibility of nutrients, ingestive behavior, performance, and carcass characteristics of feedlot lambs, 36 F1 Santa Ines × Dorper male lambs with an initial average weight of 19.5 ± 0.27 kg were fed with different levels of spineless cactus (0, 33, 66, and 100 %) as a replacement of the wheat bran. The replacement diets had no effect on the intake of dry matter (DM) or crude protein (CP), whose average values were 962 and 140 g/day, respectively. There was a quadratic effect on the intake of digestible organic matter (OM) and the digestibility of DM, CP, neutral detergent fiber (NDF), and non-fiber carbohydrates (NFC)...
February 2016: Tropical Animal Health and Production
Enrique Ibarra-Laclette, Flor Zamudio-Hernández, Claudia Anahí Pérez-Torres, Victor A Albert, Enrique Ramírez-Chávez, Jorge Molina-Torres, Araceli Fernández-Cortes, Carlos Calderón-Vázquez, José Luis Olivares-Romero, Alfredo Herrera-Estrella, Luis Herrera-Estrella
BACKGROUND: Lophophora williamsii (commonly named peyote) is a small, spineless cactus with psychoactive alkaloids, particularly mescaline. Peyote utilizes crassulacean acid metabolism (CAM), an alternative form of photosynthesis that exists in succulents such as cacti and other desert plants. Therefore, its transcriptome can be considered an important resource for future research focused on understanding how these plants make more efficient use of water in marginal environments and also for research focused on better understanding of the overall mechanisms leading to production of plant natural products and secondary metabolites...
2015: BMC Genomics
Fatma Gomaa, Jun Yang, Edward A D Mitchell, Wen-Jing Zhang, Zheng Yu, Milcho Todorov, Enrique Lara
Planktonic arcellinid testate amoebae exhibit a broad-range of morphological variability but it is currently unclear to what extent this variability represents phenotypic plasticity or if it is genetically determined. We investigated the morphology and phylogenetic relationships of three endemic east-asian Difflugia taxa 1) the vase-shaped D. mulanensis, 2) and a spinose and a spineless morphotypes of D. tuberspinifera using scanning electron microscopy and two ribosomal genetic markers (SSU rDNA and ITS sequences)...
February 2015: Protist
Panat Anuracpreeda, Sumittra Phutong, Arin Ngamniyom, Busaba Panyarachun, Prasert Sobhon
Adult Carmyerius spatiosus or stomach fluke has an elongate, cylindrical-shaped, straight to slightly curved body, with conical anterior end and truncated posterior end. The worm measures about 8.7-11.2mm in body length and 2.3-3.0mm in body width across the mid-section. When observed by SEM, the tegumental surface in all part of the body appears highly corrugated with ridges and furrows, and having no spines. The ventral surface has more complex corrugation than those of the dorsal surface. Both anterior and posterior suckers have thick edges covered with transverse folds and appear spineless...
March 2015: Acta Tropica
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