scholarly journals The effects of birth rank (single or twin) and dam age on the lifetime productive performance of female dual purpose sheep (Ovis aries) offspring in New Zealand

PLoS ONE ◽  
2019 ◽  
Vol 14 (3) ◽  
pp. e0214021 ◽  
Author(s):  
E. J. Pettigrew ◽  
R. E. Hickson ◽  
S. T. Morris ◽  
N. Lopez-Villalobos ◽  
S. J. Pain ◽  
...  
Author(s):  
D. W. Minter

Abstract A description is provided for Bombardioidea stercoris, a dung-inhabiting fungus associated with Bos taurus, Cervidae, Lepus europaeus, L. timidus, Oryctolagus cuniculus and Ovis aries. Some information on its morphology, economic impacts, habitats, dispersal and transmission and conservation status is given, along with details of its geographical distribution (Canada (Quebec), Argentina, Chile, Falkland Islands/Malvinas, Spain (Canary Islands), Australia (Victoria), New Zealand, Belgium, Czech Republic, Denmark (including Faroe Islands), Estonia, France, Germany, Irish Republic, Italy, Luxembourg, Netherlands, Poland, Slovakia, Slovenia, Spain, Sweden, UK and former Yugoslavia).


Animals ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 528 ◽  
Author(s):  
Alessandro Dal Bosco ◽  
Cecilia Mugnai ◽  
Melania Martino ◽  
Zsolt Szendrő ◽  
Simona Mattioli ◽  
...  

We evaluated the effects of two types of colony cages, in which rabbit does were always in a group (C1), and where they were in combi cages furnished with removable internal walls to allow both individual and grouphousing (C2), in addition to the control group (C: conventional individual cage), on welfare, reproductive performance, and global efficiency. Forty-eight New Zealand White nulliparous rabbit does underwent artificially insemination (AI) and were divided into three groups, and reared in the different systems for about 1 year. The reproductive rhythm provides AIs at weaning (30d). In the C1 system, does were continuously grouped, while in C2, walls were inserted four days before kindling and removed 1week after it (60% of the timesheet in group). Reproductive traits and behaviour were evaluated during the entire year. The behavioural observations were performed around days 7, 36, and 44, corresponding to the inclusion of the does in the maternal cages, the insertion of walls four days before kindling, and the removal of the walls 1week after parturition in the C2 group, respectively. The percentages of does with severe skin injuries and the distribution of the injuries on different parts of body were also registered. Does reared in conventional cages showed the greatest presence of stereotype behaviours, while the C1 group showed the highest (p < 0.05) incidence of aggressiveness after regrouping (attack, dominance features, and lower allo-grooming) in comparison to the C2 group (17% and 22%, in C2 and C1 does, respectively).Individually caged does achieved the best productive performance (sexual receptivity, fertility, kindling rate, and number of kits born alive and at weaning). The C1 group showed the lowest performance (p < 0.05), whereas C2 showed an intermediate one. Does housed in the combi cage (C2) had higher (p < 0.05) receptivity and fertility rates and higher numbers of kits born alive and at weaning (79.2% and 76.2%; 7.95 and 7.20, respectively) than the C1 group, but lower values (p < 0.05) than does that were individually housed.


1988 ◽  
Vol 39 (5) ◽  
pp. 907 ◽  
Author(s):  
TM Skerman ◽  
DL Johnson ◽  
DW Kane ◽  
JN Clarke

Phenotypic and genetic parameters for clinical footscald and footrot were investigated in a pedigree flock of New Zealand Romney sheep inspected during outbreaks over six years. At inspections, each sheep's overall status with regard to footscald and footrot was summarized on a combined severity scale (Rating). Sheep were also categorized in terms of two binomial variables specifying the presence or absence of footscald or footrot (FI) and the presence or absence of footrot only (FR). A trinomial variable specified no infection, infection limited to footscald, or footrot with or without footscald (FSR), all variables being derived from the Rating value. Notwithstanding marked annual variations in prevalence of FI, F1 prevalence increased with age among ewes, and a higher prevalence of FI among male than female lambs was noted. Birth rank, birth date and dam's age had no significant effect on Rating in lambs. Repeatability of ewe Rating over successive annual inspections was low. Heritabilities of Rating, FI, FR and FSR, estimated by half-sib analyses were 0.14, 0.28, 0.17 and 0.25, respectively. Heritability of Rating estimated from dam-offspring regression was 0.12. Production traits did not appear to be genetically associated with liability to footrot. Selection of the top 5% of progenytested sires for breeding could be expected to reduce the prevalence of FI by approximately 45% per generation.


Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3093
Author(s):  
John S. Munday ◽  
Geoff Orbell ◽  
Rob A. Fairley ◽  
Michael Hardcastle ◽  
Bernie Vaatstra

Equine sarcoids are common mesenchymal neoplasms of horses that are caused by cross-species infection by deltapapillomaviruses. While bovine papillomavirus (BPV) 1 and 2 are the most common causes, there are differences between countries regarding which of these BPV types cause the majority of sarcoids. Additionally, no causative PV can be detected in a subset of sarcoids, suggesting that other PV types could be rarer causes of these neoplasms. In the present study, consensus PCR primers and PCR primers specific for the five deltapapillomavirus types currently known to cause mesenchymal neoplasia (BPV1, BPV2, BPV13, BPV14, and Ovis aries PV2 DNA) were used to investigate the presence of PV DNA in 104 sarcoids from three defined regions in New Zealand and from two distinct time periods separated by 15 years. PV DNA was detected in 94 (90.4%) sarcoids. Of the sarcoids containing PV DNA, 83 (88.3%) contained only BPV2 DNA, 9 (9.6%) BPV1 and BPV2 DNA, and 2 (2.1%) only BPV1 DNA. No other PV types were detected. The predominance of BPV2 is consistent with studies of sarcoids from North America but dissimilar to studies of sarcoids from Europe and Australia. Detection rates of BPV1 and BPV2 were similar in sarcoids from different regions of New Zealand and in sarcoids from different time periods. These results suggest that most equine sarcoids in New Zealand are caused by BPV2 and thus if vaccines are developed to prevent sarcoids, vaccines that provide good protection against BPV2 will be required in this country.


Author(s):  
D. W. Minter

Abstract A description is provided for Ascobolus hawaiiensis, a dung-inhabiting fungus associated with Anatidae, Bos taurus, Bubalus sp., Camelus dromedarius, Capra aegagrus subsp. hircus, Capreolus capreolus, Caprinae, Equus africanus subsp. asinus, E. ferus subsp. caballus, Oryctolagus cuniculus and Ovis aries. Some information on its economic impacts, habitats, dispersal and transmission and conservation status is given, along with details of its geographical distribution (USA (Arizona, Oregon and Hawaii), Chile, Armenia, Azerbaijan, India (Maharashtra), Japan, Kyrgyzstan, Oman, Pakistan, Russia (Irkutsk Oblast, Yakutia), Tajikistan, Turkmenistan, Uzbekistan, Australia (Queensland, Victoria and Western Australia), New Zealand, Denmark, Germany, Greece, Iceland, Lithuania, Netherlands, Spain (Mallorca) and UK).


2012 ◽  
Vol 90 (5) ◽  
pp. 1411-1420 ◽  
Author(s):  
N. K. Pickering ◽  
K. G. Dodds ◽  
H. T. Blair ◽  
R. E. Hickson ◽  
P. L. Johnson ◽  
...  

2013 ◽  
Vol 91 (10) ◽  
pp. 4578-4588 ◽  
Author(s):  
N. K. Pickering ◽  
H. T. Blair ◽  
R. E. Hickson ◽  
K. G. Dodds ◽  
P. L. Johnson ◽  
...  

2016 ◽  
Vol 07 (13) ◽  
pp. 1276-1289 ◽  
Author(s):  
Hassan Abdel-Rahman ◽  
Said Ibrahim Fathalla ◽  
Mohamed Ezzat Assayed ◽  
Shimaa Ramadan Masoad ◽  
Abeer Abdelaleem Nafeaa

Sign in / Sign up

Export Citation Format

Share Document