Who has better production indexes- Spain or the United States? (2/2)
We continue our comparison of production data between sow farms in Spain and the United States. This time we focus on replacement rate, pre-weaning mortality, and weaning weight.
Who has better production indexes- Spain or the United States? (1/2)
A comparison of Spanish and U.S. main production numbers on sow farm
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18-Feb-2022miguel-angel-de-andres-alvaroHello, it´s Miguel Angel, one of the authors. I completelly agree with you, economical and reproductive efficiency don´t match exactly, although is an indicator (a farm with very high reproductive efficiency usually is economical efficient too). And we work to earn money, not to produce more... Unfortunatelly, to get economical data is much more difficult than to get productive data.
Seasonality in mating outcomes: A review
Each farm should analyze its historical data to quantify the effect of seasonality on its farrowing rate and prolificacy.
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02-Nov-2021pig333Thank you for your question. This is referring to the quarters of the year. Q1 = January, February, March. Q2 = April, May, June. Q3 = July, August, September. Q4 = October, November, December.
How to minimize the impact of small litters
The incidence and distribution of small litters and factors affecting the number of piglets born alive on swine farms.
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Breeding sows on a holiday... What could go wrong? (Part 2 of 2)
This second article analyzes data for the breedings done on weekday holidays in Spain in 2018, although the results can be extrapolated changing the dates for those holidays celebrated in each country.
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Breeding sows on a holiday... What could go wrong? (Part 1 of 2)
This article compares the results of the inseminations done one week before the holiday, on the holiday, and one day after the holiday.
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Do you know how to interpret your farm's retention rate?
Does a high retention rate indicate high productivity?
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Do we fully understand gilts? Do we treat them as they deserve?
Gilts have more returns to estrus... but why?
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Farrowing rate isn't everything in gestation performance
Which indicator best reflects performance - farrowing rate or non-productive days?
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The role of your farm on the sows' reproductive potential (2/2)
What is more important: the farm or genetics?
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The role of your farm on the sows' reproductive potential (1/2)
Is it worth to purchase hyperprolific sows for my farm?
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Weaning-to-service interval: not only non-productive days
It is not only related to NPDs, but it can also have a greater impact than we first thought.
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Piglets weaned per sow lifetime, the hidden index
One of the indices that is generating much interest is the one referred to the number of weaned piglets per sow lifetime (WSL). This index refers to the total number of piglets that a sow has weaned throughout its productive life.
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01-Mar-2019tomi-olatundevery accurate write-up. Can't be clearer. Production figures can be deceitful sometimes. It is practically the output per housed gilt/sow which practically measures the farm output in piglets actually sold, Return on investment of each housed gilt/sow. There is more to this, like piglet birth weight, weight at 21 days, weight at 25 days, investment in piglet( time & money) till these ages, actual age @ 25 kg live weight of piglet.
