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https://www.readbyqxmd.com/read/29412245/effect-of-irrigation-at-critical-stages-on-the-phenology-of-flowering-and-fruiting-of-the-cactus-opuntia-spp
#1
M Arba, A Falisse, R Choukr-Allah, M Sindic
This paper briefly reports some effects of irrigations at two critical periods on the phenology of three varieties of cactus pear cultivated in Agadir area: the spineless varieties 'Aissa' and 'Moussa' and the thorny one 'Achefri'. In the first year experiments (2010-2011) treatments of irrigation used were: (T1) 0 mm, (T2) 30 mm during flowering and 30 mm during fruit enlargement and (T3) 30 mm only during fruit enlargement. In the 2nd year experiments, irrigation treatments were: (T1) 0 mm, (T2) 60 mm during flowering and 60 mm during fruit enlargement and (T3) 60 mm only during fruit enlargement...
February 1, 2018: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/29251595/natural-variation-in-stochastic-photoreceptor-specification-and-color-preference-in-drosophila
#2
Caitlin Anderson, India Reiss, Cyrus Zhou, Annie Cho, Haziq Siddiqi, Benjamin Mormann, Cameron M Avelis, Peter Deford, Alan Bergland, Elijah Roberts, James Taylor, Daniel Vasiliauskas, Robert J Johnston
Each individual perceives the world in a unique way, but little is known about the genetic basis of variation in sensory perception. In the fly eye, the random mosaic of color-detecting R7 photoreceptor subtypes is determined by stochastic on/off expression of the transcription factor Spineless (Ss). In a genome-wide association study, we identified a naturally occurring insertion in a regulatory DNA element in ss that lowers the ratio of SsON to SsOFF cells. This change in photoreceptor fates shifts the innate color preference of flies from green to blue...
December 18, 2017: ELife
https://www.readbyqxmd.com/read/29245426/new-siberian-spineless-species-of-i-thalassaphorura-i-bagnall-1949-collembola-onychiuridae-with-a-key-to-world-species-of-the-genus
#3
Igor Kaprus, Grzegorz Paśnik
Six new species of Thalassaphorura from South Siberia are described and illustrated: T. aspinata sp. nov., T. sayana sp. nov., T. sibirica sp. nov., T. stebaevae sp. nov., T. stepensis sp. nov. and T. weineri sp. nov. Their affinity with related species is discussed and a comparison of all species without anal spines is presented. The key to the world species of Thalassaphorura and their geographic distribution are also provided.
December 5, 2017: Zootaxa
https://www.readbyqxmd.com/read/29198265/review-feed-demand-landscape-and-implications-of-food-not-feed-strategy-for-food-security-and-climate-change
#4
H P S Makkar
The food-feed competition is one of the complex challenges, and so are the ongoing climate change, land degradation and water shortage for realizing sustainable food production systems. By 2050 the global demand for animal products is projected to increase by 60% to 70%, and developing countries will have a lion's share in this increase. Currently, ~800 million tonnes of cereals (one-third of total cereal production) are used in animal feed and by 2050 it is projected to be over 1.1 billion tonnes. Most of the increase in feed demand will be in developing countries, which already face many food security challenges...
December 4, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29165457/the-chemical-composition-nutritional-value-and-antimicrobial-properties-of-abelmoschus-esculentus-seeds
#5
Spyridon Petropoulos, Ângela Fernandes, Lillian Barros, Ana Ciric, Marina Sokovic, Isabel C F R Ferreira
Okra is a vegetable crop usually used for its immature pods. The harvest stage (fruit size) depends on consumers' preferences and the fruit that does not meet market requirements is being disposed of. Considering the short time interval from the setting of the fruit to the harvest stage, the present study evaluates the nutritional value, chemical composition, and antioxidant and antimicrobial properties of okra seeds from genotypes cultivated under Mediterranean conditions, as an alternative end-use product...
December 13, 2017: Food & Function
https://www.readbyqxmd.com/read/29094700/zoology-the-joys-of-spinelessness
#6
Lisa-Ann Gershwin
No abstract text is available yet for this article.
November 1, 2017: Nature
https://www.readbyqxmd.com/read/29061874/spineless-solutions-the-potential-of-invertebrate-animal-models-for-advancing-science-in-the-developing-world
#7
Armando Castillo, Yila de la Guardia
No abstract text is available yet for this article.
November 2017: EMBO Reports
https://www.readbyqxmd.com/read/29059720/sugarcane-bagasse-as-exclusive-roughage-for-dairy-cows-in-smallholder-livestock-system
#8
Gleidiana Amélia Pontes de Almeida, Marcelo de Andrade Ferreira, Janaina de Lima Silva, Juana Catarina Cariri Chagas, Antônia Sherlânea Chaves Véras, Leonardo José Assis de Barros, Gledson Luiz Pontes de Almeida
OBJECTIVE: The study aimed to evaluate sugarcane bagasse as roughage in lactating cow on feed intake, digestibility, ingestive behavior, milk production and composition, and microbial protein synthesis. METHODS: Ten Girolando cows at initial body weight of 450±25.6 kg and at 143.7±30.7 days in milk were assigned in two 5×5 Latin square designs. Five 21-day experimental periods were adopted (1° to 14-day: diets adaptation period; 15° to 21-day: data collection and sampling period)...
March 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28942570/replacement-of-tifton-hay-by-spineless-cactus-in-girolando-post-weaned-heifers%C3%A2-diets
#9
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)...
January 2018: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28823123/carcass-characteristics-of-lambs-fed-spineless-cactus-as-a-replacement-for-sugarcane
#10
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: Fresh sugarcane has been a new roughage source for ruminant's in semiarid regions, a function of the decline of sugar and alcohol industry in recent years. However, there is little data published regarding lambs fed sugarcane associated with spineless cactus. 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...
April 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28764892/expression-and-function-of-spineless-orthologs-correlate-with-distal-deutocerebral-appendage-morphology-across-arthropoda
#11
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
https://www.readbyqxmd.com/read/28723545/spineless-behavior-of-cx3cr1-monocytes-in-response-to-infection
#12
COMMENT
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
https://www.readbyqxmd.com/read/28707080/reproductive-outcomes-of-anestrous-goats-supplemented-with-spineless-opuntia-megacantha-salm-dyck-protein-enriched-cladodes-and-exposed-to-the-male-effect
#13
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, %)...
October 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28455607/effect-of-spineless-cactus-intake-opuntia-ficus-indica-on-blood-glucose-levels-in-lactating-sows-and-its-impact-on-feed-intake-body-weight-loss-and-weaning-estrus-interval
#14
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
https://www.readbyqxmd.com/read/28425017/spineless-cactus-associated-with-tifton-hay-or-sugarcane-bagasse-may-replace-corn-silage-in-sheep-diets
#15
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)...
June 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28335683/redescription-of-pallisentis-brevitritospinus-indica-acanthocephala-quadrigyridae-from-channa-punctatus-bloch-schneider-channidae-in-aligarh-india-with-new-understandings-of-old-structures
#16
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
https://www.readbyqxmd.com/read/28332207/the-eyes-and-vision-of-butterflies
#17
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
https://www.readbyqxmd.com/read/28262385/genetic-analysis-identifies-the-region-of-origin-of-smuggled-peach-palm-seeds
#18
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...
April 2017: Forensic Science International
https://www.readbyqxmd.com/read/28261812/the-fatty-acid-profile-of-fat-depots-from-santa-in%C3%A3%C2%AAs-sheep-fed-spineless-cactus-opuntia-ficus-indica-mill
#19
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...
October 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27777986/transcription-factor-dlx3-induces-aryl-hydrocarbon-receptor-promoter-activity
#20
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
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