Animals, 2023 Semen cryobanks are critical for preserving autochthonous and rare breeds. Since sperm cryopreservation has been optimized for commercial breeds, non-commercial ones (often endangered) must be characterized to ensure the germplasm’s viability. This study
Carolina Tamargo +7 more
doaj +1 more source
Estimation of Genetic Parameters for Peak Yield, Yield and Persistency Traits in Murciano-Granadina Goats Using Multi-Traits Models [PDF]
, 2019 This paper studies parameters of a lactation curve such as peak yield (PY) and persistency (P), which do not conform to the usual selection criteria in the Murciano-Granadina (MG) breed, but are considered to be an alternative to benefit animal welfare ...
Barba Capote, C.J. +5 more
core +1 more source
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
doaj +1 more source
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
core +1 more source
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
doaj +1 more source
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
core +3 more sources
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
doaj +1 more source
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
doaj +1 more source
In vivo culture of alpaca embryos in the oviduct versus embryo culture in vitro [PDF]
SPERMOVA, 2018 The present study was carried out in the Animal Reproduction Laboratory of the Faculty of Veterinary Medicine and Zootechnics of the National University of Altiplano, with the objective of evaluating the effect of in vitro and in vivo culture of alpaca ...
G.P. Pérez Durand +2 more
doaj +1 more source
Trophic ecology of the Endangered Darwin's frog inferred by stable isotopes [PDF]
, 2018 Indexación: Scopus.Acknowledgements. We thank Dr. Mauricio González-Chang for his contribution to invertebrate identification and Sally Wren for the revision of an earlier version of the manuscript. We are also extremely grateful to Tomás Elgueta Alvarez
Alvarado-Rybak, M. +4 more
core +1 more source