A review of the welfare issues for sows and piglets in relation to housing

2001 ◽  
Vol 52 (1) ◽  
pp. 1 ◽  
Author(s):  
J. L. Barnett ◽  
P. H. Hemsworth ◽  
G. M. Cronin ◽  
E. C. Jongman ◽  
G. D. Hutson
Keyword(s):  
Reproductive Performance ◽  
Maternal Behaviour ◽  
Group Housing ◽  
Alternative Systems ◽  
Conventional Alternative ◽  
Informed Consumer ◽  
Large Groups ◽  
Piglet Survival ◽  
Research Recommendations

This review of sow welfare addresses all aspects of housing for adult female pigs, including the issue of piglet welfare during lactation. It puts the issue of sow welfare in perspective by briefly outlining different approaches to the scientific assessment of welfare, the ‘feelings, preference, nature, and the functional or homeostasis’ approaches. We believe the last approach currently offers science the best assessment of welfare and is the approach that is utilised in this review. It involves comparing housing or husbandry systems and risks to welfare on the basis of relative changes in biological (behavioural and physiological) responses and corresponding decreases in fitness (growth rate, reproductive performance, or health/injury/immunology). The review discusses the following areas: (i) housing of individually housed pregnant pigs, with subsections on tethers, stalls, reproductive performance, exercise, and new stall designs; conventional, alternative, and outdoor group housing with subsections on aggression, electronic feeding stations, ecoshelters, and other alternative group housing designs; and other issues, such as lameness, culling, straw and other substrates, diet and hunger, quality of stockpeople, and housing around mating including oestrus detection and mating; and (ii) farrowing and lactating pigs with subsections on farrowing crates and alternative farrowing systems, stress around farrowing and during lactation, maternal behaviour and piglet survival, and sow and piglet injury and lameness. Conclusions and recommendations arising from the review include the need for public education to provide an informed consumer base that will result in some consensus on welfare issues among diverse interest groups and the need for industry education that results in better animal welfare and a sustainable industry. Some specific research recommendations include space allowance and the duration of housing for individually housed pigs, welfare issues of breeding sows in ecoshelters, piglet mortality in alternative systems, aggression in conventional and large groups, bedding, and hunger.

Reproductive performance of sows entering stable and dynamic groups after mating

1993 ◽  
Vol 57 (2) ◽  
pp. 293-298 ◽  
Author(s):  
P. H. Simmins
Keyword(s):  
Treatment Group ◽  
Reproductive Performance ◽  
Group Housing ◽  
Stable Group ◽  
Housing Systems ◽  
Litter Weight ◽  
Dynamic Group ◽  
Dynamic Treatment ◽  
Large Groups ◽  
Farrowing Rate

AbstractHousing soivs in large groups is increasing in popularity but some group-housing systems may compromise subsequent reproductive performance. An experiment was designed to test this hypothesis using multiparous sows weaned at 21 ±2 days. Two treatments were studied: a stable group of 12 sows and a dynamic group of 18 sows. Both treatments had similar space allowances in the lying area (1·24 m2 per sow). Sows were allocated to treatment within 1 week of service and remained on treatment until after day 40 of pregnancy. Each stable treatment group remained unchanged, whereas sows were replaced weekly in the dynamic treatment. Sows were fed using a single electronic feeder for each pen. All sows were treated similarly for the rest of pregnancy. Eighty and 120 sows from the stable and dynamic treatments respectively completed pregnancy. Five second parity sows from the dynamic treatment were removed having suffered from aggression. The farrowing rate was 0·78 and 0·85 for stable and dynamic treatment sows respectively. The stable treatment sows had larger litters and a higher proportion of litters having 10 or more total piglets born (P < 0·01). The stable treatment showed a significantly heavier (P < 0·05) litter weight for total pigs born (16·9 v. 14.6 (s.e.d. 0·57) kg per litter). The parities were uneven so the data must be treated with caution. However, the results indicate that the present advice, that soivs should be housed in stable groups for the first 4 weeks of pregnancy, should remain unchanged.

The effects of nutrition on reproductive performance, lactation and carcass quality of once bred gilts

1995 ◽  
Vol 1995 ◽  
pp. 178-178
Author(s):  
A H Stewart ◽  
S A Edwards ◽  
V R Fowler
Keyword(s):  
Sugar Beet ◽  
Reproductive Performance ◽  
Feed Efficiency ◽  
Reproductive Physiology ◽  
Sugar Beet Pulp ◽  
Energy Sources ◽  
Carcass Quality ◽  
Beet Pulp ◽  
Ad Libitum

The once bred gilt system of production has a number of benefits in terms of feed efficiency and welfare, however the system relies on the production of a quality carcass and acceptable reproductive performance. Previous studies have indicated that welfare might be improved if gilts were ad-libitum fed a diet containing 60% Sugar beet pulp (Stewart et al 1993). There was a suggestion however that reproductive physiology may be put at risk using such a diet. The objective of this experiment was to identify differences in reproductive performance using two different energy sources in gestation and to manipulate nutrition during lactation to study the effect on carcass quality.

scholarly journals PENGEMBANGAN MACROMEDIAFLASH 8 PROFESSIONAL BERBASIS KARAKTER CINTA TANAH AIR SUBTEMA KEBERAGAMAN BUDAYA BANGSAKU BAGI SISWA KELAS IV SD

2019 ◽  
Vol 2 (1) ◽  
pp. 1
Author(s):  
Dewi Prabasari ◽  
Vera Yuli Erviana
Keyword(s):  
Teacher Assessment ◽  
Design Development ◽  
Research Subjects ◽  
Student Responses ◽  
Implementation Evaluation ◽  
Teacher Assessments ◽  
Large Groups ◽  
Group Trial ◽  
Class Iv

The aim of this study; 1) to find out the steps to develop MacromediaFlash 8 Professional Based on the Character of Love of the Motherland in My Cultural Diversity Subtema for 4th grade students; 2) To find out the feasibility of MacromediaFlash 8 Professional Based on Land Love; 3) To find out student responses and teacher assessments of the quality of MacromdiaFlash 8 Professional that was developed. This study is a development research using the ADDIE development model (Analysis, Design, Development, Implementation, Evaluation). The research subjects were class IV C students in a small group trial of 10 students and class IV B students in a large group trial. Techniques for collecting expert data collection (media experts, learning experts, material experts), on product trials using teacher assessment questionnaires and student responses as suggestions and input for the feasibility of MacromediaFlash 8 Professional Based on Love Characters Homeland that researchers developed. The results of the study showed that the assessment of media experts received a 77.7 score in the category "Eligible". Assessment of learning experts received a score of 86.5 with the category "Very Worthy". The assessment of material experts scored 81.6 with the "Very Worthy" category. In evaluating product trials (small groups) scored 91.85 in the "Very Worthy" category. In the assessment of usage trials (large groups) scored 91.60 in the "Very Worthy" category. The conclusion of use.

scholarly journals Development of Herbarium Book as Biology Instructional Media in Plant Morphology Subject for Biology Education Undergraduate Students, University of Pasir Pangaraian

2020 ◽  
Vol 4 (1) ◽  
pp. 10-19
Author(s):  
Dahlia Dahlia
Keyword(s):  
Undergraduate Students ◽  
Small Groups ◽  
Leaf Morphology ◽  
Biology Education ◽  
Plant Morphology ◽  
Average Score ◽  
Study Program ◽  
Individual Assessment ◽  
Large Groups

The development of instructional especially media of a herbarium book is an innovation that aims to assist students in searching directly the object of leaf morphology studies. This development research starts from the needs analysis stage which is used to gather information, planning in media making, media design, media making, after that product validation by a team of media experts and material experts, then testing individual products, small groups and large groups. The subject of this product testing were students of the Biology Education Study Program at Pasir Pengaraian University. The results of the validation by the material experts showed that the quality of learning media using the herbarium book on leaf morphology material was included in the "very feasible" criteria, with an average score of 86.46%. The results of validation by media experts are included in the "very feasible" criteria, with an average score of 88.54%. Individual assessment obtained the criteria of "very feasible", with an average score of 84.16%. Judgement from small groups obtained a percentage of eligibility of 81.45% with very feasible criteria, and judgement from large groups of 83.95% with "very feasible" criteria. The results of the development of herbarium book media are very decent.

Reproductive Performance Of Bali Cattle Cross Breed Brahman Cattle Through Improving The Genetic Quality Of Local Livestock In Special Effort for Cows to be Pregnant Program

2021 ◽  
Vol 1 (1) ◽  
pp. 1-7
Author(s):  
Irwansyah ◽  
Junaedi ◽  
Suparman
Keyword(s):  
Birth Weight ◽  
Reproductive Performance ◽  
Artificial Insemination ◽  
Secondary Data ◽  
Birth Spacing ◽  
Calving Interval ◽  
Brahman Cattle ◽  
Bali Cattle ◽  
The Relationship

One of the problems that exist in the community is the lack of identification of the reproductive performance of prospective brooders of Bali cattle that are artificially inseminated. The researcher conducted a research to determine the reproductive performance of Bali Cattle inseminated with Brahman Cattle Semen in SECP (Special Effort for Cows to be Pregnant Program) Program in Kolaka Regency. The parameters observed in this study were; artificial insemination's first age (Years), How many times the artificial insemination (AI) was pregnant (S/C), Length of pregnancy (months), Calving Interval (CI) (months), Birth weight (Kilograms), Correlation of AI's first age with birth weight. Sources of date used in this study are primary and secondary data. Data collection techniques carried out in this study were observation and interviews. The date obtained was analyzed descriptively, analysis of variance, average, and to calculate the relationship between variables was analyzed by correlation. Reproductive performance of Bali Cattle inseminated with Brahman Cattle Semen in SECP Program in Kolaka district include; first age AI 23.63±1.99 months, Service per Conception (S/C) 1.56±0.55, gestational age 9.03±0.38 months, Calving Interval (CI) 12.24±0 .52 months, birth weight 27.85 ± 2.96 and the correlation between AI prime age and birth spacing was 0.77.

scholarly journals Reproductive performance and quality of offsprings of parent stock of layer hens after rearing in open and closed aviary system

2020 ◽  
Author(s):  
Krzysztof Damaziak ◽  
Marta Musielak ◽  
Cezary Musielak ◽  
Julia Riedel ◽  
Dariusz Gozdowski
Keyword(s):  
Reproductive Performance ◽  
Parent Stock ◽  
Layer Hens

Methodological Problems and Policy Implications in Vietnamese Refugee Research

1986 ◽  
Vol 20 (2) ◽  
pp. 483-501 ◽  
Author(s):  
Elena S. H. Yu ◽  
William T. Liu
Keyword(s):  
Public Policy ◽  
Ethnic Minorities ◽  
Ethical Dilemmas ◽  
Policy Implications ◽  
Policy Changes ◽  
Vietnamese Refugees ◽  
Methodological Problems ◽  
Per Se ◽  
Research Recommendations

This article is written with two objectives: First, to describe some of the critical methodological problems encountered in our research with Vietnamese refugees in San Diego, California, about which few studies have been conducted previous to their arrival in 1975. Second, to discuss the policy implications of research beset with these difficulties, some of which are unique to studies of refugee populations per se, while others are common to research on small ethnic minorities in general. This article focuses on four major issues: the quality of refugee studies; the purpose and functions of such research; the ethical dilemmas of studying refugees; and public policy implications of refugee research. Recommendations are offered to resolve some of these issues which would call for policy changes both in the ways refugee research are conducted, and in the training of researchers themselves.

scholarly journals Effect of parity on reproductive performance sows of different breeds

2020 ◽  
Vol 50 (3) ◽  
pp. 434-441
Author(s):  
R. Klimas ◽  
A. Klimienė ◽  
W. Sobotka ◽  
W. Kozera ◽  
P. Matusevičius
Keyword(s):  
Survival Rate ◽  
Litter Size ◽  
Reproductive Performance ◽  
Weaned Piglets ◽  
Large White ◽  
Litter Weight ◽  
Piglet Survival

The aim of this study was to determine the effect of parity on reproductive performance by sows of different breeds. The sows were raised on three farms, and had seven or more litters of not fewer than seven piglets. A total of 1511 litters from various parities of Lithuanian White (N =721), Large White (N = 162) and Landrace (N = 628) sows were contained in the data that were used in this study. Multiparous sows had larger litters than primiparous sows. Piglet survival rate declined from parity 7. An increase in litter size was observed until parity 5 in Large White and until parity 6 in improved Lithuanian White (P <0.05). In comparison with parity 1, Landrace sows up to parity 5 showed not only increased prolificacy, but also increased number and litter weight of piglets at 21 days old, and the number and litter weight of weaned piglets (P <0.01). The current findings indicate that sows of these breeds can be used effectively in breeding herds until parity 5 and parity 6.Keywords: Landrace, Large White, Lithuanian White, litter size

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