Veterinary Medicine and Science, 2022 Background The Cantabrian capercaillie (Tetrao urogallus cantabricus) is critically endangered. This subspecies has the lowest genetic variability and it is in regression.
Emma O'Brien +11 more
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Foliculogénesis Ovárica en la Raya Marmorada, Sympterygia bonapartii (Müller & Henle, 1841) (Chondrichthyes, Rajidae) [PDF]
, 2011 Los Condrictios se han convertido en un recurso económico importante en las últimas décadas, siendo Argentina uno de los países que más explota tiburones y rayas, incluso a niveles que exceden los límites de varias especies.
Díaz Andrade, María Constanza +3 more
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Comparison of the effect of two freeze-thawing curves for porcine semen. Preliminary results [PDF]
SPERMOVA, 2016 Results obtained in fertility and litter size using frozen-thawed porcine semen are far from those obtained with natural service or artificial insemination of cooled semen.
Caldevilla M +3 more
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Improving reproductive technologies for the conservation of the European mink (Mustela lutreola)
Theriogenology WildThe European mink (Mustela lutreola) is the most endangered mammal in Europe. The limited success of its breeding under captive conditions highlights the need to develop appropriate assisted reproduction techniques.
Sonia Ariznavarreta-Alzu +6 more
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Comparative study of lactation curves and milk quality in Holstein versus Swedish Red and White-Holstein Cross Cows [PDF]
, 2018 The objective of this study reported in this research paper was to compare the lactation curves of the production of milk, fat, protein, percentages of fat and protein, and somatic cell score in purebred Holstein (H) cows and Swedish Red and White (SRW) -
Lembeye, Felipe +4 more
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Revista Mexicana de Ciencias Pecuarias, 2020 El objetivo fue evaluar los efectos de época y año de nacimiento, tipo de parto, sexo y número de parto sobre el crecimiento predestete y la productividad de las ovejas en ovinos de raza Pelibuey que producen bajo un sistema semi-extensivo en el trópico ...
Carolina Atenea García-Chávez +6 more
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Multiple paternity in domestic pigs under equally probable natural matings – a case study in the endangered Gochu Asturcelta pig breed [PDF]
Archives Animal Breeding, 2015 Here we provide evidence of multiple paternities in naturally mated sows under conditions ensuring that (a) sows had the same probability of being mated by any of the available boars and (b) no differences in hybrid vigour existed. Total DNA was obtained
J. Menéndez +4 more
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Biotecnologías de reproducción animal con posibilidad de aplicación para optimizar el potencial reproductivo y productivo de los animales. Una revisión [PDF]
Animal reproductive biotechnology, represents an opportunity to optimize the potential reproductive and productive animals. The aim of this paper is a brief review of biotechnology in animal reproduction with future possibility of application to optimize
Córdova Izquierdo, Alejandro +4 more
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Facultative Altitudinal Movements by Mountain White-Crowned Sparrows (Zonotrichia Leucophrys Oriantha) in the Sierra Nevada [PDF]
, 2004 Mountain White-crowned Sparrows (Zonotrichia leucophrys oriantha) winter in Mexico and often arrive in the vicinity of their breeding grounds in the Sierra Nevada well before nesting is possible.
Breuner, Creagh W. +3 more
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World Rabbit Science, 2015 Virgin does are indifferent to foster kits but lesions to the main or accessory olfactory systems allow them to behave “maternally” (i.e., they crouch over the litter and allow suckling).
Rosario Chirino +1 more
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